Available-for-sale securities: OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, after Tax [Abstract] Accumulated 
amortization Finite-Lived Intangible Assets, Accumulated Amortization Pre-tax gains (losses) recorded in AOCI Gains (losses) recorded in AOCI, beginning of period Gains (losses) recorded in AOCI, end of period AOCI Including Portion Attributable to Noncontrolling Interest, before Tax Statistical Measurement [Domain] Statistical Measurement [Domain] Commodity Contracts Commodity Contract [Member] Store Sales Channel, Directly to Consumer [Member] Award Timing Predetermined Award Timing Predetermined [Flag] Watches Watches [Member] Watches [Member] Balance at beginning of period Balance at end of period Total warranty reserve Standard and Extended Product Warranty Accrual Intangible assets, gross Intangible Assets, Gross (Excluding Goodwill) Entity File Number Entity File Number Additional paid-in capital Additional Paid-in Capital [Member] Blue Nile Blue Nile [Member] Blue Nile Other operating (expense) income, net Other Income and Other Expense Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Leases [Abstract] Total other comprehensive (loss) income Other Comprehensive Income (Loss), Tax Earnings Per Share, Basic [Abstract] Earnings Per Share, Basic [Abstract] Schedule of Dividends Dividends Declared [Table Text Block] New accounting pronouncements recently adopted and New accounting pronouncements issued but not yet adopted New Accounting Pronouncements, Policy [Policy Text Block] Accounts payable Increase (Decrease) in Accounts Payable Schedule of Methods to Determine Fair Value on Instrument-Specific Basis Fair Value, by Balance Sheet Grouping [Table Text Block] Type of Restructuring [Domain] Type of Restructuring [Domain] Goodwill [Line Items] Goodwill [Line Items] Share awards Share-Based Payment Arrangement [Member] Net settlement of equity-based awards Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Basis [Axis] Measurement Basis [Axis] Basic (usd per share) EPS – basic Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenue recognition Revenue from Contract with Customer [Text Block] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Total other comprehensive (loss) income Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Reporting Information, By Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Extended Service Plan and other deferred revenue Extended Service Plan and other deferred revenue [Member] Extended Service Plan and Voucher Promotions [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Other assets Increase (Decrease) in Other Operating Assets Share-based compensation Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Accumulated amortization Below Market Lease, Accumulated Amortization Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Antidilutive Securities [Axis] Antidilutive Securities [Axis] Dividends, Common Stock, Cash Dividends, Common Stock, Cash Asset impairments, net Asset impairments, net Asset Impairment Charges Total shareholders’ equity Beginning Balance Ending Balance Equity, Attributable to Parent Unrealized loss Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Other comprehensive income (loss) (“OCI”) before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Common shares, authorized (in shares) Common Stock, Shares Authorized Hedging Designation [Domain] Hedging Designation [Domain] Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Current assets: Assets, Current [Abstract] Total liabilities and shareholders’ equity Liabilities and Equity Foreign currency translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Liabilities and shareholders’ equity Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Amounts reclassified from AOCI to earnings Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Capital expenditures Segment, Expenditure, Addition to Long-Lived Assets Accounting Policies [Abstract] Accounting Policies [Abstract] Available-for-sale securities: OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment and Tax [Abstract] Net carrying amount Finite-Lived Intangible Assets, Net Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Treasury shares Treasury Stock, Common [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Other Liabilities, Noncurrent Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Reportable segments Operating Segments [Member] Unrealized loss Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Cash flow hedges: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Restructuring reserve Beginning balance Ending balance Restructuring Reserve Operating lease liabilities Operating Lease, Liability, Current Class of Stock [Line Items] Class of Stock [Line Items] Deferred tax liabilities Deferred Income Tax Liabilities, Net Document fiscal period focus Document Fiscal Period Focus Utilized Standard and Extended Product Warranty Accrual, Decrease for Payments Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Award Timing Method Award Timing Method [Text Block] Award Type Award Type [Axis] Deferred revenue Non-current liabilities Contract with Customer, Liability, Noncurrent Hedging Relationship [Domain] Hedging Relationship [Domain] Foreign currency translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Total assets Total assets Assets Trading Symbol Trading Symbol International International segment International [Member] International [Member] Entity Address, City or Town Entity Address, City or Town Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other segment operating (expense) income, net Segment Reporting, Other Segment Item, Amount Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Inventories Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangements [Line Items] Deferred Revenue Arrangements Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Common Stock, Dividends, Per Share, Declared Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Total deferred ESP selling costs Capitalized Contract Cost, Net Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Indefinite-lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Peoples Peoples [Member] Peoples [Member] Common shares, outstanding (in shares) Common Stock, Shares, Outstanding PEO PEO [Member] Seasonal revenues, fourth quarter sales, percent Seasonal Revenues, Fourth Quarter Sales, Percent Seasonal Revenues, Fourth Quarter Sales, Percent Fashion Fashion [Member] Fashion [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Employee Related Costs Employee Severance [Member] Total before income tax Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Warranty Reserve for Diamond and Gemstone Guarantee Schedule of Product Warranty Liability [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Retained earnings Retained Earnings [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income taxes Income taxes Income Tax Expense (Benefit) Facility Closing Facility Closing [Member] Income taxes Taxes Payable, Current Intangible assets, net Total intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Hedging Relationship [Axis] Hedging Relationship [Axis] Unamortized deferred selling costs Capitalized Contract Cost [Table Text Block] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Liabilities Liabilities, Fair Value Disclosure Aggregate notional amount Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Restructuring Restructuring and Related Activities Disclosure [Text Block] Other Income and Expenses [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Schedule of Earnings Per Share, Diluted Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table Text Block] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Deferred Revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Total long-lived assets Long-Lived Assets Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Total lease cost Lease, Cost Cash Flow Hedging Cash Flow Hedging [Member] Goodwill Goodwill Interest income, net Interest Income (Expense), Operating Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Total Lease Costs For Operating Leases Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Stash Ptak [Member] Stash Ptak Derivative Liability, Subject to Master Netting Arrangement, before Offset Derivative Liability, Subject to Master Netting Arrangement, before Offset Equity Components [Axis] Equity Components [Axis] Sublease income Sublease Income Excess tax benefit from share based compensation Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Merchandise sales Merchandise expense Product [Member] Number of reportable segments Number of Reportable Segments Organization and principal accounting policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Accumulated impairment loss Goodwill, Impaired, Accumulated Impairment Loss Entity Address, Country Entity Address, Country Other Performance Measure, Amount Other Performance Measure, Amount Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Dividends declared: Common shares Dividends, Common Stock Total current liabilities Liabilities, Current Decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Pre-tax amount Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax [Abstract] Dividends paid on common shares Payments of Ordinary Dividends, Common Stock Other current assets Other Assets, Current Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Amortization of unfavorable contracts Amortization of Below Market Lease Document fiscal year focus Document Fiscal Year Focus Basis of preparation Basis of Accounting, Policy [Policy Text Block] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective tax rate recognized in statements of operations Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Other liabilities - non-current Product Warranty Accrual, Noncurrent Other Other Operating Segment [Member] Operating lease cost Operating Lease, Cost Carrying Value Reported Value Measurement [Member] Change in Contract with Customer, Liability [Roll Forward] Change in Contract with Customer, Liability [Roll Forward] Change in Contract with Customer, Liability [Roll Forward] Equity [Abstract] Equity [Abstract] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Segment information Segment Reporting Disclosure [Text Block] Schedule of Goodwill [Table] Goodwill [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] US Treasury securities US Treasury Securities [Member] Derivatives not designated as hedging instruments: Not Designated as Hedging Instrument [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Derivative, Nonmonetary Notional Amount, Mass Derivative, Nonmonetary Notional Amount, Mass Warranty reserve Product Warranty Disclosure [Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Accumulated other comprehensive income (loss) Comprehensive Income (Loss) Note [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Selling, general and administrative expenses Selling, General and Administrative Expense Deferred tax assets Deferred Income Tax Assets, Net Repurchase of common shares Amount repurchased Stock Repurchased During Period, Value Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Depreciation and amortization Depreciation, Depletion and Amortization Jared Jared [Member] Jared [Member] Other assets Other Assets, Noncurrent Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Total Below Market Lease, Net Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Earnings Per Share, Basic Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Movement in Accumulated Other Comprehensive Income [Roll Forward] Movement in Accumulated Other Comprehensive Income [Roll Forward] Movement in Accumulated Other Comprehensive Income [Roll Forward] Derivatives Financial Instruments Disclosure [Text Block] Deferred revenue Current liabilities Contract with Customer, Liability, Current Schedule of Other Operating Cost and Expense, by Component Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Segments [Axis] Segments [Axis] Schedule of Derivative Instruments in Statement of Financial Position, Fair Value Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Accrued expenses and other current liabilities Product Warranty Accrual, Current Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other investing activities, net Payment for (Proceeds from) Other Investing Activity Restructuring charges expected to incur Restructuring and Related Cost, Expected Cost Assets Assets [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent James Allen James Allen [Member] James Allen [Member] Fair value measurement Fair Value Disclosures [Text Block] Gross carrying amount Finite-Lived Intangible Assets, Gross Shareholders’ equity: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Accumulated other comprehensive loss Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Operating lease liabilities Operating Lease, Liability, Noncurrent Derivative Asset, Subject to Master Netting Arrangement, before Offset Derivative Asset, Subject to Master Netting Arrangement, before Offset Fair Value as of Grant Date Award Grant Date Fair Value Reclassification adjustment for losses (gains) to earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Entity Registrant Name Entity Registrant Name Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Plus: Dilutive effect of share awards Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Income tax receivable and payable Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Document Quarterly Report Document Quarterly Report Assets Assets, Fair Value Disclosure Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Other Deferred Revenue Other Deferred Revenue [Member] Other Deferred Revenue Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Service sales Services expense Service [Member] Kay Kay [Member] Kay [Member] Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Other financing activities, net Proceeds from (Payment for) Other Financing Activity Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Unrealized loss Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Equity Awards Adjustments Equity Awards Adjustments [Member] Other non-cash movements, net Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Discrete items recognized Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Foreign currency contracts Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized Contract with Customer, Liability, Revenue Recognized Share Repurchase Program [Axis] Share Repurchase Program [Axis] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Other Sales Channel, Through Other [Member] Sales Channel, Through Other [Member] Payments for Restructuring Payments for Restructuring Restructuring Type [Axis] Restructuring Type [Axis] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Unrealized (loss) gain OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax After-tax amount Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Financial Instruments [Domain] Financial Instruments [Domain] Diamonds Direct Diamonds Direct [Member] Diamonds Direct Segments [Domain] Segments [Domain] Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Indefinite-Lived Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Banter by Piercing Pagoda Banter by Piercing Pagoda [Member] Piercing Pagoda [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Reclassification adjustment for losses (gains) to earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Inventories Increase (Decrease) in Inventories Inventories Total inventories Inventory, Net Deferred Revenue Arrangement [Table] Deferred Revenue Arrangement [Table] Deferred Revenue Arrangement Minimum Minimum [Member] Non-current assets: Assets, Noncurrent [Abstract] Gains (losses) on available-for-sale securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] E-commerce Sales Channel, Through Intermediary [Member] Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Company Selected Measure Name Company Selected Measure Name Fair Value Measurement [Domain] Fair Value Measurement [Domain] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Total other comprehensive (loss) income Other Comprehensive Income (Loss), before Tax All Executive Categories All Executive Categories [Member] Other Other Nonrecurring (Income) Expense Merchandise inventories Inventory, Finished Goods, Net of Reserves Common shares of $0.18 par value: authorized 500 shares, issued 70000000 shares, 39.7 shares outstanding (January 31, 2026 and May 3, 2025: 40.4 and 41.4 outstanding, respectively) Common Stock, Value, Issued Restructuring Plan [Domain] Restructuring Plan [Domain] Warranty expense (credit) Product Warranty Expense Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Grow Brand Love Plan Grow Brand Love Plan [Member] Grow Brand Love Plan Weighted Average Number of Shares Outstanding, Diluted Diluted weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Derivative [Table] Derivative [Table] Tax (expense) benefit Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax [Abstract] Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Supplier Finance Program Supplier Finance Program [Text Block] Document Transition Report Document Transition Report New accounting pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Income taxes Income Tax Disclosure [Text Block] Earnings Per Share, Diluted [Abstract] Earnings Per Share, Diluted [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Short-term lease cost Short-Term Lease, Cost Change in operating lease assets and liabilities Increase (Decrease) in Operating Lease Liability Average repurchase price per share (usd per share) Shares Acquired, Average Cost Per Share Document Type Document Type Earnings per common share ("EPS") Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Reclassification adjustment for losses (gains) to earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Variable lease cost Variable Lease, Cost Total sales Total sales Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Other Liabilities Disclosure [Abstract] Other Liabilities Disclosure [Abstract] Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Zales Zale Jewelry [Member] Zale Jewelry [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income attributable to common shareholders Net income attributable to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Gross carrying amount Below Market Lease, Gross Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Net current period OCI Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities: Liabilities, Current [Abstract] Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1 Fair Value, Inputs, Level 1 [Member] Diluted (usd per share) EPS – diluted (usd per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Title of 12(b) Security Title of 12(b) Security AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Capitalized contract cost, amortization Capitalized Contract Cost, Amortization Treasury shares, common (in shares) Treasury Stock, Common, Shares Earnings Per Share [Abstract] Earnings Per Share [Abstract] Restructuring Plan [Axis] Restructuring Plan [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Other non-operating income (expense), net Nonoperating Income (Expense) Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Estimated annual effective tax rate before discrete items Expected Effective Income Tax Rate Reconciliation, Percent Expected Effective Income Tax Rate Reconciliation, Percent Gross margin Gross Profit Schedule of Antidilutive Securities Excluded From Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Deferred revenue Plans sold Increase (Decrease) in Contract with Customer, Liability Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Extended Service Plans and Lifetime Warranty Agreements Extended Service Plans and Lifetime Warranty Agreements [Member] Extended Service Plans and Lifetime Warranty Agreements [Member] Award Timing Disclosures [Line Items] Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Unrealized (loss) gain OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Shareholders' equity Equity [Text Block] Cash flow hedges: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax [Abstract] Other current assets Capitalized Contract Cost, Net, Current Fiscal year Fiscal Period, Policy [Policy Text Block] Net income Net income Net income Net Income (Loss) Attributable to Parent Intangible liabilities, net Below Market Lease [Abstract] Available-for-sale securities: OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax [Abstract] Expiration Date Trading Arrangement Expiration Date Non-current liabilities: Liabilities, Noncurrent [Abstract] Schedule of Reconciliation of Effective Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Property, plant and equipment, net of accumulated depreciation and amortization of $1,580.9 (January 31, 2026 and May 3, 2025: $1,561.8 and $1,495.7, respectively) Property, Plant and Equipment, Net Restructuring charges Restructuring charges Restructuring Charges Restructuring Charges Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Repurchase of common shares Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Operating income Total segment operating income (loss) Operating Income (Loss) 2017 Program Share Repurchase Program Twenty Seventeen [Member] Share Repurchase Program Twenty Seventeen [Member] Cash flow hedges: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax [Abstract] North America North America Segment [Member] North America Segment [Member] Retained earnings Retained Earnings (Accumulated Deficit) Schedule of Class of Treasury Stock Class of Treasury Stock [Table Text Block] Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] Financial Instrument [Axis] Financial Instrument [Axis] Remaining settlement period Derivative, Remaining Maturity Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Other operating expense, net Other operating expense, net Other Operating Income (Expense), Net Class of Stock [Axis] Class of Stock [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Gains (losses) on cash flow hedges Gains on cash flow hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Other reserves Other Additional Capital Intangible assets, net: Finite-Lived Intangible Assets, Net [Abstract] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Payables and Accruals [Abstract] Statement [Table] Statement [Table] Deferred taxation Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Total deferred revenue ESP deferred revenue, beginning of period ESP deferred revenue, end of period Contract with Customer, Liability Anti-dilutive shares excluded from the calculation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment flag Amendment Flag Treasury shares at cost: 30.3 shares (January 31, 2026 and May 3, 2025: 29.6 and 28.6 shares, respectively) Treasury Stock, Common, Value Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Raw materials Inventory, Raw Materials, Net of Reserves Dividends Payable [Table] Dividends Payable [Table] Basic weighted average common shares outstanding Weighted average common shares outstanding Weighted Average Number of Shares Outstanding, Basic Remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount Inventory write-down Inventory Write-down Cost of sales Cost of sales Cost of Product and Service Sold Bridal Bridal [Member] Bridal [Member] Schedule of Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Other assets Capitalized Contract Cost, Net, Noncurrent Asset Impairments Asset Impairments [Member] Asset Impairments Unrealized (loss) gain OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount ESP deferred revenue Extended Service Plan [Member] Extended Service Plan [Member] Common shares, par value (usd per share) Common Stock, Par or Stated Value Per Share Common shares, issued (in shares) Common Stock, Shares, Issued Income taxes Income Taxes Receivable, Current Goodwill and intangibles Goodwill and Intangible Assets Disclosure [Text Block] Use of estimates Use of Estimates, Policy [Policy Text Block] Dividends payable Dividends Payable, Current Schedule of Goodwill by Reporting Unit Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Corporate and unallocated Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Other Other cost of sales Product and Service, Other [Member] Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Supplier Finance Program, Obligation, Current Supplier Finance Program, Obligation, Current Shares repurchased (in shares) Stock Repurchased During Period, Shares Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Accrued expenses and other current liabilities Other Liabilities, Current Other Other Brand [Member] Other Brand [Member] Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Schedule of Plan Liabilities Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Common shares at par value Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Other reserves Other Additional Capital [Member]