0000001 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statement of Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Revenue from Contracts With Customers link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Income Per Common Share link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Line of Credit link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Share-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenue from Contracts With Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Income Per Common Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Share-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Summary of Significant Accounting Policies - Nature of business (Details) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Summary of Significant Accounting Policies - Fair value of financial instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Summary of Significant Accounting Policies - Prepaid expenses and other current assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Summary of Significant Accounting Policies - Other accrued expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Summary of Significant Accounting Policies - Supply Chain Finance (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Revenue from Contracts With Customers (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Leases - Components of net lease cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Leases - Maturity of lease liabilities under operating leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Leases - Maturity of lease liabilities under operating leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Leases - Supplemental cash flow information (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Income Per Common Share - Computations of basic and diluted income (loss) per share (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Income Per Common Share - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Line of Credit (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Share-Based Compensation - 2002 Equity incentive plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Share-Based Compensation - Schedule of stock option activity under plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Share-Based Compensation - Share-based compensation valuation of stock options (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Share-Based Compensation - Restricted stock units and performance-based restricted stock units (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Share-Based Compensation - Share repurchase program (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Income Taxes - Schedule of effective income tax rate reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Segment Reporting - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Segment Reporting - Schedule of segment profit and loss (Details) link:presentationLink link:calculationLink link:definitionLink