Condensed Consolidating Financial Information Condensed Consolidating Statement of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	$ 23,411	$ 31,278
Net cash provided by (used in) operating activities of discontinued operations	(4,733)	7,603
Net cash provided by (used in) operating activities	18,678	38,881
Cash flows from investing activities: [Abstract]
Cost of business acquisitions, net of cash acquired	(644)	(59,719)
Capital expenditures	(15,637)	(10,798)
Proceeds from sale of property, plant and equipment	2,333	10,989
Proceeds from sale of intangible asset	1,700	0
Intercompany note	0	0
Net cash (used in) provided by investing activities of continuing operations	(12,248)	(59,528)
Net cash (used in) provided by investing activities of discontinued operations	39,921	(419)
Net cash (used in) provided by investing activities	27,673	(59,947)
Cash flows from financing activities: [Abstract]
Repayment of 10.5% senior notes	(169,875)	0
(Repayment) of Term Loan B due 2016		(2,850)
Borrowings of Term Loan B due 2016	17,987
Payment of financing related costs and expenses and debt issuance discounts	(32,335)	0
Repayments of other long-term debt	(3,499)	(4,505)
Retirement of common stock upon vesting of RSUs	(734)	(1,283)
Proceeds from issuance of 11.5% senior notes	225,000	0
Proceeds from issuance of 7% senior exchangeable notes	86,250	0
Borrowings under revolving credit facility, net	45,550	0
Proceeds from exercise of stock options	0	350
Intercompany note borrowings (repayments)	0	0
Intercompany advances	0	0
Net cash provided by (used in) financing activities of continuing operations	(52,531)	(8,288)
Net cash provided by (used in) financing activities of discontinued operations	(1,652)	0
Net cash provided by (used in) financing activities	(54,183)	(8,288)
Effect of exchange rate changes on cash and cash equivalents	414	1,175
Net increase (decrease) in cash and cash equivalents	(7,418)	(28,179)
Cash and cash equivalents at beginning of period	17,753	49,756
Cash and cash equivalents at end of period	10,335	21,577
Parent Company [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	4,446	7,129
Net cash provided by (used in) operating activities of discontinued operations	0	0
Net cash provided by (used in) operating activities	4,446	7,129
Cash flows from investing activities: [Abstract]
Cost of business acquisitions, net of cash acquired	0	0
Capital expenditures	0	0
Proceeds from sale of property, plant and equipment	0	0
Proceeds from sale of intangible asset	0
Intercompany note	0	0
Net cash (used in) provided by investing activities of continuing operations	0	0
Net cash (used in) provided by investing activities of discontinued operations	0	0
Net cash (used in) provided by investing activities	0	0
Cash flows from financing activities: [Abstract]
Repayment of 10.5% senior notes	0
(Repayment) of Term Loan B due 2016		0
Borrowings of Term Loan B due 2016	0
Payment of financing related costs and expenses and debt issuance discounts	0
Repayments of other long-term debt	0	0
Retirement of common stock upon vesting of RSUs	(734)	(1,283)
Proceeds from issuance of 11.5% senior notes	0
Proceeds from issuance of 7% senior exchangeable notes	0
Borrowings under revolving credit facility, net	0	0
Proceeds from exercise of stock options		350
Intercompany note borrowings (repayments)	0	0
Intercompany advances	(3,712)	(6,196)
Net cash provided by (used in) financing activities of continuing operations	(4,446)
Net cash provided by (used in) financing activities of discontinued operations	0
Net cash provided by (used in) financing activities	(4,446)	(7,129)
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Subsidiary Issuer [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	(87,609)	(98,875)
Net cash provided by (used in) operating activities of discontinued operations	(1,799)	2,884
Net cash provided by (used in) operating activities	(89,408)	(95,991)
Cash flows from investing activities: [Abstract]
Cost of business acquisitions, net of cash acquired	(644)	(59,719)
Capital expenditures	(7,819)	(6,753)
Proceeds from sale of property, plant and equipment	32	1,288
Proceeds from sale of intangible asset	1,700
Intercompany note	3,900	5,600
Net cash (used in) provided by investing activities of continuing operations	(2,831)	(59,584)
Net cash (used in) provided by investing activities of discontinued operations	16,414	(419)
Net cash (used in) provided by investing activities	13,583	(60,003)
Cash flows from financing activities: [Abstract]
Repayment of 10.5% senior notes	(169,875)
(Repayment) of Term Loan B due 2016		(2,850)
Borrowings of Term Loan B due 2016	17,987
Payment of financing related costs and expenses and debt issuance discounts	(32,335)
Repayments of other long-term debt	(300)	(14)
Retirement of common stock upon vesting of RSUs	0	0
Proceeds from issuance of 11.5% senior notes	225,000
Proceeds from issuance of 7% senior exchangeable notes	86,250
Borrowings under revolving credit facility, net	45,550	0
Proceeds from exercise of stock options		0
Intercompany note borrowings (repayments)	0	0
Intercompany advances	117,920	131,219
Net cash provided by (used in) financing activities of continuing operations	69,322
Net cash provided by (used in) financing activities of discontinued operations	(1,652)
Net cash provided by (used in) financing activities	67,670	128,355
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	(8,155)	(27,639)
Cash and cash equivalents at beginning of period	16,033	46,882
Cash and cash equivalents at end of period	7,878	19,243
Guarantor Subsidiaries [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	104,046	117,744
Net cash provided by (used in) operating activities of discontinued operations	(2,934)	4,719
Net cash provided by (used in) operating activities	101,112	122,463
Cash flows from investing activities: [Abstract]
Cost of business acquisitions, net of cash acquired	0	0
Capital expenditures	(7,701)	(3,507)
Proceeds from sale of property, plant and equipment	2,301	9,701
Proceeds from sale of intangible asset	0
Intercompany note	0	0
Net cash (used in) provided by investing activities of continuing operations	(5,400)	6,194
Net cash (used in) provided by investing activities of discontinued operations	23,507	0
Net cash (used in) provided by investing activities	18,107	6,194
Cash flows from financing activities: [Abstract]
Repayment of 10.5% senior notes	0
(Repayment) of Term Loan B due 2016		0
Borrowings of Term Loan B due 2016	0
Payment of financing related costs and expenses and debt issuance discounts	0
Repayments of other long-term debt	(3,199)	(4,491)
Retirement of common stock upon vesting of RSUs	0	0
Proceeds from issuance of 11.5% senior notes	0
Proceeds from issuance of 7% senior exchangeable notes	0
Borrowings under revolving credit facility, net	0	0
Proceeds from exercise of stock options		0
Intercompany note borrowings (repayments)	0	0
Intercompany advances	(116,198)	(125,067)
Net cash provided by (used in) financing activities of continuing operations	(119,397)
Net cash provided by (used in) financing activities of discontinued operations	0
Net cash provided by (used in) financing activities	(119,397)	(129,558)
Effect of exchange rate changes on cash and cash equivalents	401	66
Net increase (decrease) in cash and cash equivalents	223	(835)
Cash and cash equivalents at beginning of period	280	1,010
Cash and cash equivalents at end of period	503	175
Non-Guarantor Subsidiaries [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	2,528	5,280
Net cash provided by (used in) operating activities of discontinued operations	0	0
Net cash provided by (used in) operating activities	2,528	5,280
Cash flows from investing activities: [Abstract]
Cost of business acquisitions, net of cash acquired	0	0
Capital expenditures	(117)	(538)
Proceeds from sale of property, plant and equipment	0	0
Proceeds from sale of intangible asset	0
Intercompany note	0	0
Net cash (used in) provided by investing activities of continuing operations	(117)	(538)
Net cash (used in) provided by investing activities of discontinued operations	0	0
Net cash (used in) provided by investing activities	(117)	(538)
Cash flows from financing activities: [Abstract]
Repayment of 10.5% senior notes	0
(Repayment) of Term Loan B due 2016		0
Borrowings of Term Loan B due 2016	0
Payment of financing related costs and expenses and debt issuance discounts	0
Repayments of other long-term debt	0	0
Retirement of common stock upon vesting of RSUs	0	0
Proceeds from issuance of 11.5% senior notes	0
Proceeds from issuance of 7% senior exchangeable notes	0
Borrowings under revolving credit facility, net	0	0
Proceeds from exercise of stock options		0
Intercompany note borrowings (repayments)	(3,900)	(5,600)
Intercompany advances	1,990	44
Net cash provided by (used in) financing activities of continuing operations	(1,910)
Net cash provided by (used in) financing activities of discontinued operations	0
Net cash provided by (used in) financing activities	(1,910)	(5,556)
Effect of exchange rate changes on cash and cash equivalents	13	1,109
Net increase (decrease) in cash and cash equivalents	514	295
Cash and cash equivalents at beginning of period	1,440	1,864
Cash and cash equivalents at end of period	1,954	2,159
Eliminations [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	0	0
Net cash provided by (used in) operating activities of discontinued operations	0	0
Net cash provided by (used in) operating activities	0	0
Cash flows from investing activities: [Abstract]
Cost of business acquisitions, net of cash acquired	0	0
Capital expenditures	0	0
Proceeds from sale of property, plant and equipment	0	0
Proceeds from sale of intangible asset	0
Intercompany note	(3,900)	(5,600)
Net cash (used in) provided by investing activities of continuing operations	(3,900)	(5,600)
Net cash (used in) provided by investing activities of discontinued operations	0	0
Net cash (used in) provided by investing activities	(3,900)	(5,600)
Cash flows from financing activities: [Abstract]
Repayment of 10.5% senior notes	0
(Repayment) of Term Loan B due 2016		0
Borrowings of Term Loan B due 2016	0
Payment of financing related costs and expenses and debt issuance discounts	0
Repayments of other long-term debt	0	0
Retirement of common stock upon vesting of RSUs	0	0
Proceeds from issuance of 11.5% senior notes	0
Proceeds from issuance of 7% senior exchangeable notes	0
Borrowings under revolving credit facility, net	0	0
Proceeds from exercise of stock options		0
Intercompany note borrowings (repayments)	3,900	5,600
Intercompany advances	0	0
Net cash provided by (used in) financing activities of continuing operations	3,900
Net cash provided by (used in) financing activities of discontinued operations	0
Net cash provided by (used in) financing activities	3,900	5,600
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Repayment of 7.875% senior subordinated notes [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	(196,088)	0
Repayment of 7.875% senior subordinated notes [Member] | Parent Company [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	0
Repayment of 7.875% senior subordinated notes [Member] | Subsidiary Issuer [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	(196,088)
Repayment of 7.875% senior subordinated notes [Member] | Guarantor Subsidiaries [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	0
Repayment of 7.875% senior subordinated notes [Member] | Non-Guarantor Subsidiaries [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	0
Repayment of 7.875% senior subordinated notes [Member] | Eliminations [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	0
Repayment of 8.375% senior subordinated notes [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	(24,787)	0
Repayment of 8.375% senior subordinated notes [Member] | Parent Company [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	0
Repayment of 8.375% senior subordinated notes [Member] | Subsidiary Issuer [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	(24,787)
Repayment of 8.375% senior subordinated notes [Member] | Guarantor Subsidiaries [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	0
Repayment of 8.375% senior subordinated notes [Member] | Non-Guarantor Subsidiaries [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	0
Repayment of 8.375% senior subordinated notes [Member] | Eliminations [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	$ 0