0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit 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 and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Consolidated Statements of Cash Flows (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Description of business link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Significant accounting policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Net loss per common share link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Inventory link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Property, plant and equipment, net link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Goodwill, trademarks with indefinite lives and other intangibles, net link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Accrued expenses link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Long-term debt, net link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Fair value measurements link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Income taxes link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Capital stock link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Stock based compensation link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Employee retirement plans link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Commitments and contingencies link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Business segments link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Subsequent events link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Schedule II - Valuation and Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Significant accounting policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Significant accounting policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Net loss per common share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Inventory (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Property, plant and equipment, net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Goodwill, trademarks with indefinite lives and other intangibles, net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Accrued expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Long-term debt, net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Fair value measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Income taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Stock based compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Business segments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Significant accounting policies (Details Textual) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Significant accounting policies - Property, Plant and Equipment Estimated Lives (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Net loss per common share (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Inventory (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Property, plant and equipment, net - Property, Plant and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Property, plant and equipment, net (Details Textual) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Goodwill, trademarks with indefinite lives and other intangibles, net - Goodwill by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Goodwill, trademarks with indefinite lives and other intangibles, net - Trademarks with Indefinite Lives and Other Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Goodwill, trademarks with indefinite lives and other intangibles, net - Trademarks with Indefinite Lives and Other Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Goodwill, trademarks with indefinite lives and other intangibles, net (Details Textual) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Leases - Lease Costs and Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Leases - Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Leases - Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Accrued expenses - Summary of Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Accrued expenses (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Long-term debt, net - Summary of Current and Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Long-term debt, net - Summary of Current and Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Long-term debt, net (Details Textual) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Fair value measurements (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Income taxes - Components of Income Tax Provision (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Income taxes - Reconciliation of Statutory Tax Rates and Effective Tax Rates (After ASU Adoption) (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Income taxes - Reconciliation of Statutory Tax Rate to Effective Tax Rate (Before ASU Adoption) (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Income taxes - Deferred Income Tax Assets (Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Income taxes (Details Textual) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Income taxes - Changes in the Valuation Allowance (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Income taxes - Reconciliation of Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Income taxes - Reconciliation of Cash Paid for Income Taxes, Net of Refunds Received (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Capital stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Stock based compensation - Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Stock based compensation - Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Stock based compensation - Valuation Assumptions for Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Stock based compensation (Details Textual) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Stock based compensation - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Stock based compensation - Non-vested Restricted Stock Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Employee retirement plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Commitments and contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Business segments (Details Textual) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Business segments - Financial Information by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Business segments - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Schedule II - Valuation and Qualifying Accounts (Details) link:presentationLink link:calculationLink link:definitionLink