Subsidiary Guarantors Table - Condensed Consolidating Statement of Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 04, 2015	Mar. 29, 2014
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 220,366us-gaap_SalesRevenueNet	$ 196,589us-gaap_SalesRevenueNet
Cost of sales	178,463us-gaap_CostOfGoodsAndServicesSold	162,174us-gaap_CostOfGoodsAndServicesSold
Gross profit	41,903us-gaap_GrossProfit	34,415us-gaap_GrossProfit
Selling, general and administrative expenses	58,470	58,665
Income from operations	(16,567)us-gaap_OperatingIncomeLoss	(24,250)us-gaap_OperatingIncomeLoss
Interest expense, net	20,706us-gaap_InterestIncomeExpenseNet	20,320us-gaap_InterestIncomeExpenseNet
Foreign currency loss	516	338
Income (loss) before income taxes	(37,789)	(44,908)
Income tax expense (benefit)	533us-gaap_IncomeTaxExpenseBenefit	1,441us-gaap_IncomeTaxExpenseBenefit
(Loss) income before equity income (loss) from subsidiaries	(38,322)	(46,349)
Equity income (loss) from subsidiaries	0	0
Net income (loss)	(38,322)us-gaap_NetIncomeLoss	(46,349)us-gaap_NetIncomeLoss
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	148	3
Foreign currency translation adjustments, net of tax	(11,586)	(9,054)
Total comprehensive (loss) income	(49,760)us-gaap_ComprehensiveIncomeNetOfTax	(55,400)us-gaap_ComprehensiveIncomeNetOfTax
Company
Condensed Financial Statements, Captions [Line Items]
Net sales	179,638	156,939
Cost of sales	148,967	134,318
Gross profit	30,671	22,621
Selling, general and administrative expenses	47,657	47,799
Income from operations	(16,986)	(25,178)
Interest expense, net	18,788	19,972
Foreign currency loss	0	0
Income (loss) before income taxes	(35,774)	(45,150)
Income tax expense (benefit)	726	1,634
(Loss) income before equity income (loss) from subsidiaries	(36,500)	(46,784)
Equity income (loss) from subsidiaries	(1,822)	435
Net income (loss)	(38,322)	(46,349)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	148	3
Foreign currency translation adjustments, net of tax	(11,586)	(9,054)
Total comprehensive (loss) income	(49,760)	(55,400)
Co-Issuer
Condensed Financial Statements, Captions [Line Items]
Net sales	0	0
Cost of sales	0	0
Gross profit	0	0
Selling, general and administrative expenses	0	0
Income from operations	0	0
Interest expense, net	0	0
Foreign currency loss	0	0
Income (loss) before income taxes	0	0
Income tax expense (benefit)	0	0
(Loss) income before equity income (loss) from subsidiaries	0	0
Equity income (loss) from subsidiaries	0	0
Net income (loss)	0	0
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	0	0
Foreign currency translation adjustments, net of tax	0	0
Total comprehensive (loss) income	0	0
Subsidiary Guarantors
Condensed Financial Statements, Captions [Line Items]
Net sales	30,162	30,662
Cost of sales	28,806	28,950
Gross profit	1,356	1,712
Selling, general and administrative expenses	844	942
Income from operations	512	770
Interest expense, net	1,661	1
Foreign currency loss	0	0
Income (loss) before income taxes	(1,149)	769
Income tax expense (benefit)	24	(27)
(Loss) income before equity income (loss) from subsidiaries	(1,173)	796
Equity income (loss) from subsidiaries	(649)	(361)
Net income (loss)	(1,822)	435
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	58	12
Foreign currency translation adjustments, net of tax	(11,586)	(9,054)
Total comprehensive (loss) income	(13,350)	(8,607)
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net sales	47,248	44,694
Cost of sales	37,372	34,612
Gross profit	9,876	10,082
Selling, general and administrative expenses	9,969	9,924
Income from operations	(93)	158
Interest expense, net	257	347
Foreign currency loss	516	338
Income (loss) before income taxes	(866)	(527)
Income tax expense (benefit)	(217)	(166)
(Loss) income before equity income (loss) from subsidiaries	(649)	(361)
Equity income (loss) from subsidiaries	0	0
Net income (loss)	(649)	(361)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	48	14
Foreign currency translation adjustments, net of tax	(11,586)	(9,054)
Total comprehensive (loss) income	(12,187)	(9,401)
Reclassification/Eliminations
Condensed Financial Statements, Captions [Line Items]
Net sales	(36,682)	(35,706)
Cost of sales	(36,682)	(35,706)
Gross profit	0	0
Selling, general and administrative expenses	0	0
Income from operations	0	0
Interest expense, net	0	0
Foreign currency loss	0	0
Income (loss) before income taxes	0	0
Income tax expense (benefit)	0	0
(Loss) income before equity income (loss) from subsidiaries	0	0
Equity income (loss) from subsidiaries	2,471	(74)
Net income (loss)	2,471	(74)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	(106)	(26)
Foreign currency translation adjustments, net of tax	23,172	18,108
Total comprehensive (loss) income	$ 25,537	$ 18,008

Income (Loss) from Continuing Operations before Equity Method Investments Loss

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The net amount of operating interest income (expense).

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The net result for the period of deducting operating expenses from operating revenues.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans, attributable to parent entity.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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