Cover [Abstract] Document Type Amendment Flag Document Annual Report Document Period End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Document Transition Report Entity File Number Entity Registrant Name Entity Central Index Key Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Entity Shell Company Entity Public Float Entity Common Stock, Shares Outstanding Documents Incorporated by Reference Auditor Firm ID Auditor Name Auditor Location CONSOLIDATED STATEMENTS OF OPERATIONS Net sales Net sales Cost of sales Cost of sales Gross profit Gross profit Gross profit Selling, general and administrative expenses Selling, general and administrative expenses Restructuring Charges Total Restructuring expenses Impairment of Long-Lived Assets to be Disposed of Impairment charge Gain (Loss) on Disposition of Business Loss (gain) on sale of assets Operating income Operating income Operating income Interest Expense, Nonoperating Interest expense Amount of gain (loss) recognized in net periodic benefit (cost) from termination charges. Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Termination Charges Pension termination charge Pension termination charge Other Nonoperating Income (Expense) Total other expense - net Other expense - net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Earnings before income taxes Income Tax Expense (Benefit) Provision for income taxes Total income tax provision (benefit) Net earnings Net earnings Net earnings Net Income (Loss) Attributable to Noncontrolling Interest Net earnings attributable to noncontrolling interest Net earnings attributable to Modine Earnings Per Share Net earnings per share attributable to Modine shareholders: Basic (in dollars per share) Net earnings per share - basic (in dollars per share) Basic (in dollars per share) Diluted (in dollars per share) Diluted (in dollars per share) Net earnings per share - diluted (in dollars per share) Weighted-average shares outstanding: Basic (in shares) Basic (in shares) Weighted-average shares outstanding - basic (in shares) Diluted (in shares) Diluted (in shares) Weighted-average shares outstanding - diluted (in shares) CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss), net of income taxes: Foreign currency translation Foreign currency translation Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Defined benefit plans Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Cash flow hedges Other Comprehensive Income (Loss), Net of Tax Total other comprehensive income (loss) Other comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to Modine CONSOLIDATED BALANCE SHEETS Assets [Abstract] ASSETS Cash and cash equivalents Cash and cash equivalents Trade accounts receivable - net Trade accounts receivable - net Inventory, Net Total inventories Inventories Other current assets Other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property, plant and equipment - net Net property, plant and equipment Property, plant and equipment Intangible assets - net Intangible assets - net Net intangible assets Goodwill Ending balance Beginning balance Goodwill Deferred Income Tax Assets, Net Deferred income taxes Other Assets, Noncurrent Other noncurrent assets Assets Total assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND SHAREHOLDERS' EQUITY Short-Term Debt Short-term debt Long-Term Debt and Lease Obligation, Current Less: current portion Long-term debt - current portion Accounts payable Accounts payable Accrued compensation and employee benefits Accrued compensation and employee benefits Other Liabilities, Current Other current liabilities Liabilities, Current Total current liabilities Long-Term Debt and Lease Obligation Long-term debt Total long-term debt Deferred income taxes Deferred income taxes Pensions Pensions Other Liabilities, Noncurrent Other noncurrent liabilities Liabilities Total liabilities Commitments and contingencies (see Note 20) Commitments and contingencies (see Note 20) Shareholders' equity: Shareholders' equity: Preferred stock, $0.025 par value, authorized 16.0 million shares, issued - none Preferred stock, $0.025 par value, authorized 16.0 million shares, issued - none Common stock, $0.625 par value, authorized 80.0 million shares, issued 56.5 million and 56.1 million shares Common stock, $0.625 par value, authorized 80.0 million shares, issued 57.0 million and 56.5 million shares Additional paid-in capital Additional paid-in capital Retained earnings Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Treasury Stock, Common, Value Treasury stock, at cost, 4.2 million and 4.1 million shares Equity, Attributable to Parent Balance Balance Total Modine shareholders' equity Noncontrolling interest Noncontrolling interest Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total equity Liabilities and Equity Total liabilities and equity Preferred stock, par value (in dollars per share) Preferred stock, par value (in dollars per share) Preferred stock, shares authorized (in shares) Preferred stock, shares authorized (in shares) Preferred stock, shares issued (in shares) Preferred stock, shares issued (in shares) Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common stock, shares authorized (in shares) Common stock, shares authorized (in shares) Common stock, shares issued (in shares) Balance (in shares) Balance (in shares) Common stock, shares issued (in shares) Treasury stock at cost (in shares) Treasury stock at cost (in shares) CONSOLIDATED STATEMENTS OF CASH FLOWS Cash flows from operating activities: Adjustments to reconcile net earnings to net cash provided by operating activities: Depreciation and amortization Depreciation and amortization Share-Based Payment Arrangement, Noncash Expense Stock-based compensation expense Stock-based compensation expense (benefit) Deferred Income Tax Expense (Benefit) Deferred income taxes Total deferred (benefit) provision Other Noncash Income (Expense) Other - net Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Trade accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Employee Related Liabilities Accrued compensation and employee benefits Increase (decrease) in contract liabilities Increase (decrease) in contract liabilities Increase (Decrease) in Other Operating Assets Other assets Increase (Decrease) in Other Operating Liabilities Other liabilities Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Expenditures for property, plant and equipment Payments to Acquire Businesses, Net of Cash Acquired Payments for business acquisitions, net of cash acquired Business acquisition, net of cash acquired Business acquisition The cash outflow for purchases of intangible assets and property, plant and equipment (capital expenditures). Payments to Acquire Intangible and Productive Assets Purchase of TMGcore, Inc. technology and related assets (see Note 2) Purchase price of assets The net cash outflow or inflow from disposals of property, plant and equipment and other productive assets, including intangibles. Payments for (Proceeds from) Disposition of Assets Proceeds from (payments for) disposition of assets Payments for (Proceeds from) Other Investing Activities Other - net Net Cash Provided by (Used in) Investing Activities Net cash used for investing activities Cash flows from financing activities: Borrowings of debt Borrowings of debt Repayments of Debt and Lease Obligation Repayments of debt Borrowings (repayments) on bank overdraft facilities - net (Repayments) borrowings on bank overdrafts - net Payments for Repurchase of Common Stock Purchases of treasury stock Payments of Ordinary Dividends, Noncontrolling Interest Dividends paid to noncontrolling interest Other - net Other - net Net Cash Provided by (Used in) Financing Activities Net cash provided by (used for) financing activities Effect of exchange rate changes on cash Effect of exchange rate changes on cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash, cash equivalents and restricted cash - end of period Cash, cash equivalents and restricted cash - beginning of period Total cash, cash equivalents and restricted cash CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY Statement [Table] Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common stock Additional Paid-in Capital [Member] Additional paid-in capital Retained Earnings [Member] Retained Earnings Accumulated Other Comprehensive Loss [Member] Accumulated other comprehensive loss Treasury Stock, Common [Member] Treasury stock, at cost Noncontrolling Interest [Member] Non controlling interest Statement [Line Items] Statement Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Stock options and awards Stock options and awards (in shares) Treasury Stock, Value, Acquired, Cost Method Purchases of treasury stock Stock-based compensation expense Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Dividend paid to noncontrolling interest Significant Accounting Policies Leases [Abstract] Significant Accounting Policies [Text Block] Significant Accounting Policies Acquisitions and Dispositions. Acquisitions and Dispositions Revenue Recognition. Revenue Recognition Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value Measurements Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Stock-Based Compensation Restructuring Activities Restructuring and Related Activities Disclosure [Text Block] Restructuring Activities Other Income and Expense Other Income and Other Expense Disclosure [Text Block] Other Income and Expense Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Earnings Per Share [Text Block] Earnings Per Share Cash, Cash Equivalents and Restricted Cash The entire disclosure for cash and cash equivalent and restricted cash footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates (5) Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Generally, only investments maturing within three months from the date of acquisition qualify. Cash, Cash Equivalents and Restricted Cash [Text Block] Cash, Cash Equivalents and Restricted Cash Inventories. Inventory Disclosure [Text Block] Inventories Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Property, Plant and Equipment Intangible Assets. Intangible Assets Intangible Assets Goodwill. Goodwill Disclosure [Text Block] Goodwill Product Warranties and Other Commitments The entire disclosure for standard and extended product warranties, other product guarantee contracts and other commitments including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. Product warranties and other commitments [Text Block] Product Warranties and Other Commitments Leases The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. Lessee, Operating and Financing Leases [Text Block] Leases