Condensed Consolidating Financial Information (Condensed Consolidating Statement of Cash Flows) (Details) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net cash provided by (used in) operating activities of continuing operations	$ 22,315,000	$ 42,844,000	$ 69,629,000
Net cash provided by operating activities of discontinued operations	5,878,000	9,221,000	10,693,000
Net cash provided by operating activities	28,193,000	52,065,000	80,322,000
Cash flows from investing activities:
Cost of business acquisitions, net of cash acquired	(33,166,000)	(644,000)	(59,719,000)
Capital expenditures	(29,235,000)	(20,563,000)	(15,572,000)
Purchase of investment	(1,650,000)	(350,000)	0
Proceeds from insurance claim	3,036,000	0	0
Proceeds from sale of property, plant and equipment	8,304,000	7,978,000	11,114,000
Proceeds from sale of intangible asset	0	5,700,000	0
Intercompany note		0	0
Net cash used in investing activities of continuing operations	(52,711,000)	(7,879,000)	(64,177,000)
Net cash provided by (used in) investing activities of discontinued operations	45,214,000	39,533,000	(635,000)
Net cash (used in) provided by investing activities	(7,497,000)	31,654,000	(64,812,000)
Cash flows from financing activities:
Repayment of 10.5% senior notes	0	(169,875,000)	0
Repayment of 7.875% senior subordinated notes	(67,848,000)	(214,831,000)	(8,952,000)
(Repayment) borrowing of Term Loan B due 2016	(388,205,000)	31,844,000	(23,800,000)
Repayment of 8.375% senior subordinated notes	0	(24,787,000)	(5,363,000)
Payment of financing related costs and expenses and debt issuance discounts	(15,570,000)	(37,836,000)	(2,675,000)
Repayments of other long-term debt	(7,365,000)	(4,846,000)	(6,403,000)
Purchase and retirement of common stock upon vesting of RSUs	(660,000)	(735,000)	(1,283,000)
Proceeds from issuance of 11.5% senior notes	0	225,000,000	0
Proceeds from issuance of 7% senior exchangeable notes	0	86,250,000	0
(Repayment) borrowings under Revolving Credit Facility, net	(18,000,000)	18,000,000	0
Proceeds from issuance of 15% Unsecured Term Loan due 2017	50,000,000	0	0
Repayment of 15% Unsecured Term Loan due 2017	(40,000,000)	0	0
Proceeds from exercise of stock options	98,000	0	356,000
Proceeds from issuance of Term Loan Facility due 2017	360,000,000	0	0
Repayment of Term Loan Facility due 2017	(30,900,000)	0	0
Borrowings under ABL Facility due 2017	699,200,000	0	0
Repayments under ABL Facility due 2017	(577,800,000)	0	0
Proceeds from equipment loan	20,000,000	0	0
Repayments of equipment loan	(500,000)	0	0
Intercompany note		0	0
Intercompany advances	0	0	0
Net cash used in financing activities of continuing operations	(17,550,000)	(91,816,000)	(48,120,000)
Net cash used in financing activities of discontinued operations	0	(1,652,000)	0
Net cash used in financing activities	(17,550,000)	(93,468,000)	(48,120,000)
Effect of exchange rate changes on cash and cash equivalents	73,000	106,000	614,000
Net increase (decrease) in cash and cash equivalents	3,219,000	(9,643,000)	(31,996,000)
Cash and cash equivalents at beginning of period	8,110,000	17,753,000	49,749,000
Cash and cash equivalents at end of period	11,329,000	8,110,000	17,753,000
Parent Company [Member]
Cash flows from operating activities:
Net cash provided by (used in) operating activities of continuing operations	3,739,000	5,333,000	8,716,000
Net cash provided by operating activities of discontinued operations	0	0	0
Net cash provided by operating activities	3,739,000	5,333,000	8,716,000
Cash flows from investing activities:
Cost of business acquisitions, net of cash acquired	0	0	0
Capital expenditures	0	0	0
Purchase of investment	0	0
Proceeds from insurance claim	0
Proceeds from sale of property, plant and equipment	0	0	0
Proceeds from sale of intangible asset		0
Intercompany note		0	0
Net cash used in investing activities of continuing operations	0	0	0
Net cash provided by (used in) investing activities of discontinued operations	0	0	0
Net cash (used in) provided by investing activities	0	0	0
Cash flows from financing activities:
Repayment of 10.5% senior notes		0
Repayment of 7.875% senior subordinated notes	0	0	0
(Repayment) borrowing of Term Loan B due 2016	0	0	0
Repayment of 8.375% senior subordinated notes		0	0
Payment of financing related costs and expenses and debt issuance discounts	0	0	0
Repayments of other long-term debt	0	0	0
Purchase and retirement of common stock upon vesting of RSUs	(660,000)	(735,000)	(1,283,000)
Proceeds from issuance of 11.5% senior notes		0
Proceeds from issuance of 7% senior exchangeable notes		0
(Repayment) borrowings under Revolving Credit Facility, net	0	0
Proceeds from issuance of 15% Unsecured Term Loan due 2017	0
Repayment of 15% Unsecured Term Loan due 2017	0
Proceeds from exercise of stock options	98,000		356,000
Proceeds from issuance of Term Loan Facility due 2017	0
Repayment of Term Loan Facility due 2017	0
Borrowings under ABL Facility due 2017	0
Repayments under ABL Facility due 2017	0
Proceeds from equipment loan	0
Repayments of equipment loan	0
Intercompany note		0	0
Intercompany advances	(3,177,000)	(4,598,000)	(7,789,000)
Net cash used in financing activities of continuing operations		(5,333,000)
Net cash used in financing activities of discontinued operations		0
Net cash used in financing activities	(3,739,000)	(5,333,000)	(8,716,000)
Effect of exchange rate changes on cash and cash equivalents	0	0	0
Net increase (decrease) in cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of period	0	0	0
Cash and cash equivalents at end of period	0	0	0
Subsidiary Issuer [Member]
Cash flows from operating activities:
Net cash provided by (used in) operating activities of continuing operations	(117,743,000)	(115,689,000)	(115,927,000)
Net cash provided by operating activities of discontinued operations	6,227,000	8,240,000	14,438,000
Net cash provided by operating activities	(111,516,000)	(107,449,000)	(101,489,000)
Cash flows from investing activities:
Cost of business acquisitions, net of cash acquired	(33,166,000)	(644,000)	(59,719,000)
Capital expenditures	(13,708,000)	(10,263,000)	(9,873,000)
Purchase of investment	(1,650,000)	(350,000)
Proceeds from insurance claim	0
Proceeds from sale of property, plant and equipment	258,000	360,000	1,298,000
Proceeds from sale of intangible asset		5,700,000
Intercompany note		3,900,000	5,600,000
Net cash used in investing activities of continuing operations	(48,266,000)	(1,297,000)	(62,694,000)
Net cash provided by (used in) investing activities of discontinued operations	23,160,000	16,114,000	(635,000)
Net cash (used in) provided by investing activities	(25,106,000)	14,817,000	(63,329,000)
Cash flows from financing activities:
Repayment of 10.5% senior notes		(169,875,000)
Repayment of 7.875% senior subordinated notes	(67,848,000)	(214,831,000)	(8,952,000)
(Repayment) borrowing of Term Loan B due 2016	(388,205,000)	31,844,000	(23,800,000)
Repayment of 8.375% senior subordinated notes		(24,787,000)	(5,363,000)
Payment of financing related costs and expenses and debt issuance discounts	(15,570,000)	(37,836,000)	(2,675,000)
Repayments of other long-term debt	(2,536,000)	(147,000)	(107,000)
Purchase and retirement of common stock upon vesting of RSUs	0	0	0
Proceeds from issuance of 11.5% senior notes		225,000,000
Proceeds from issuance of 7% senior exchangeable notes		86,250,000
(Repayment) borrowings under Revolving Credit Facility, net	(18,000,000)	18,000,000
Proceeds from issuance of 15% Unsecured Term Loan due 2017	50,000,000
Repayment of 15% Unsecured Term Loan due 2017	(40,000,000)
Proceeds from exercise of stock options	0		0
Proceeds from issuance of Term Loan Facility due 2017	360,000,000
Repayment of Term Loan Facility due 2017	(30,900,000)
Borrowings under ABL Facility due 2017	699,200,000
Repayments under ABL Facility due 2017	(577,800,000)
Proceeds from equipment loan	20,000,000
Repayments of equipment loan	(500,000)
Intercompany note		0	0
Intercompany advances	152,522,000	170,396,000	174,867,000
Net cash used in financing activities of continuing operations		84,014,000
Net cash used in financing activities of discontinued operations		(1,652,000)
Net cash used in financing activities	140,363,000	82,362,000	133,970,000
Effect of exchange rate changes on cash and cash equivalents	0	0	0
Net increase (decrease) in cash and cash equivalents	3,741,000	(10,270,000)	(30,848,000)
Cash and cash equivalents at beginning of period	5,763,000	16,033,000	46,881,000
Cash and cash equivalents at end of period	9,504,000	5,763,000	16,033,000
Guarantor Subsidiaries [Member]
Cash flows from operating activities:
Net cash provided by (used in) operating activities of continuing operations	136,232,000	150,706,000	175,235,000
Net cash provided by operating activities of discontinued operations	(349,000)	981,000	(3,745,000)
Net cash provided by operating activities	135,883,000	151,687,000	171,490,000
Cash flows from investing activities:
Cost of business acquisitions, net of cash acquired	0	0	0
Capital expenditures	(15,424,000)	(10,135,000)	(5,004,000)
Purchase of investment	0	0
Proceeds from insurance claim	3,036,000
Proceeds from sale of property, plant and equipment	8,046,000	7,618,000	9,816,000
Proceeds from sale of intangible asset		0
Intercompany note		0	0
Net cash used in investing activities of continuing operations	(4,342,000)	(2,517,000)	4,812,000
Net cash provided by (used in) investing activities of discontinued operations	22,054,000	23,419,000	0
Net cash (used in) provided by investing activities	17,712,000	20,902,000	4,812,000
Cash flows from financing activities:
Repayment of 10.5% senior notes		0
Repayment of 7.875% senior subordinated notes	0	0	0
(Repayment) borrowing of Term Loan B due 2016	0	0	0
Repayment of 8.375% senior subordinated notes		0	0
Payment of financing related costs and expenses and debt issuance discounts	0	0	0
Repayments of other long-term debt	(4,829,000)	(4,699,000)	(6,296,000)
Purchase and retirement of common stock upon vesting of RSUs	0	0	0
Proceeds from issuance of 11.5% senior notes		0
Proceeds from issuance of 7% senior exchangeable notes		0
(Repayment) borrowings under Revolving Credit Facility, net	0	0
Proceeds from issuance of 15% Unsecured Term Loan due 2017	0
Repayment of 15% Unsecured Term Loan due 2017	0
Proceeds from exercise of stock options	0		0
Proceeds from issuance of Term Loan Facility due 2017	0
Repayment of Term Loan Facility due 2017	0
Borrowings under ABL Facility due 2017	0
Repayments under ABL Facility due 2017	0
Proceeds from equipment loan	0
Repayments of equipment loan	0
Intercompany note		0	0
Intercompany advances	(149,225,000)	(167,988,000)	(170,730,000)
Net cash used in financing activities of continuing operations		(172,687,000)
Net cash used in financing activities of discontinued operations		0
Net cash used in financing activities	(154,054,000)	(172,687,000)	(177,026,000)
Effect of exchange rate changes on cash and cash equivalents	173,000	104,000	0
Net increase (decrease) in cash and cash equivalents	(286,000)	6,000	(724,000)
Cash and cash equivalents at beginning of period	286,000	280,000	1,004,000
Cash and cash equivalents at end of period	0	286,000	280,000
Non-Guarantor Subsidiaries [Member]
Cash flows from operating activities:
Net cash provided by (used in) operating activities of continuing operations	87,000	2,494,000	1,605,000
Net cash provided by operating activities of discontinued operations	0	0	0
Net cash provided by operating activities	87,000	2,494,000	1,605,000
Cash flows from investing activities:
Cost of business acquisitions, net of cash acquired	0	0	0
Capital expenditures	(103,000)	(165,000)	(695,000)
Purchase of investment	0	0
Proceeds from insurance claim	0
Proceeds from sale of property, plant and equipment	0	0	0
Proceeds from sale of intangible asset		0
Intercompany note		0	0
Net cash used in investing activities of continuing operations	(103,000)	(165,000)	(695,000)
Net cash provided by (used in) investing activities of discontinued operations	0	0	0
Net cash (used in) provided by investing activities	(103,000)	(165,000)	(695,000)
Cash flows from financing activities:
Repayment of 10.5% senior notes		0
Repayment of 7.875% senior subordinated notes	0	0	0
(Repayment) borrowing of Term Loan B due 2016	0	0	0
Repayment of 8.375% senior subordinated notes		0	0
Payment of financing related costs and expenses and debt issuance discounts	0	0	0
Repayments of other long-term debt	0	0	0
Purchase and retirement of common stock upon vesting of RSUs	0	0	0
Proceeds from issuance of 11.5% senior notes		0
Proceeds from issuance of 7% senior exchangeable notes		0
(Repayment) borrowings under Revolving Credit Facility, net	0	0
Proceeds from issuance of 15% Unsecured Term Loan due 2017	0
Repayment of 15% Unsecured Term Loan due 2017	0
Proceeds from exercise of stock options	0		0
Proceeds from issuance of Term Loan Facility due 2017	0
Repayment of Term Loan Facility due 2017	0
Borrowings under ABL Facility due 2017	0
Repayments under ABL Facility due 2017	0
Proceeds from equipment loan	0
Repayments of equipment loan	0
Intercompany note		(3,900,000)	(5,600,000)
Intercompany advances	(120,000)	2,190,000	3,652,000
Net cash used in financing activities of continuing operations		(1,710,000)
Net cash used in financing activities of discontinued operations		0
Net cash used in financing activities	(120,000)	(1,710,000)	(1,948,000)
Effect of exchange rate changes on cash and cash equivalents	(100,000)	2,000	614,000
Net increase (decrease) in cash and cash equivalents	(236,000)	621,000	(424,000)
Cash and cash equivalents at beginning of period	2,061,000	1,440,000	1,864,000
Cash and cash equivalents at end of period	1,825,000	2,061,000	1,440,000
Eliminations [Member]
Cash flows from operating activities:
Net cash provided by (used in) operating activities of continuing operations	0	0	0
Net cash provided by operating activities of discontinued operations	0	0	0
Net cash provided by operating activities	0	0	0
Cash flows from investing activities:
Cost of business acquisitions, net of cash acquired	0	0	0
Capital expenditures	0	0	0
Purchase of investment	0	0
Proceeds from insurance claim	0
Proceeds from sale of property, plant and equipment	0	0	0
Proceeds from sale of intangible asset		0
Intercompany note		(3,900,000)	(5,600,000)
Net cash used in investing activities of continuing operations	0	(3,900,000)	(5,600,000)
Net cash provided by (used in) investing activities of discontinued operations	0	0	0
Net cash (used in) provided by investing activities	0	(3,900,000)	(5,600,000)
Cash flows from financing activities:
Repayment of 10.5% senior notes		0
Repayment of 7.875% senior subordinated notes	0	0	0
(Repayment) borrowing of Term Loan B due 2016	0	0	0
Repayment of 8.375% senior subordinated notes		0	0
Payment of financing related costs and expenses and debt issuance discounts	0	0	0
Repayments of other long-term debt	0	0	0
Purchase and retirement of common stock upon vesting of RSUs	0	0	0
Proceeds from issuance of 11.5% senior notes		0
Proceeds from issuance of 7% senior exchangeable notes		0
(Repayment) borrowings under Revolving Credit Facility, net	0	0
Proceeds from issuance of 15% Unsecured Term Loan due 2017	0
Repayment of 15% Unsecured Term Loan due 2017	0
Proceeds from exercise of stock options	0		0
Proceeds from issuance of Term Loan Facility due 2017	0
Repayment of Term Loan Facility due 2017	0
Borrowings under ABL Facility due 2017	0
Repayments under ABL Facility due 2017	0
Proceeds from equipment loan	0
Repayments of equipment loan	0
Intercompany note		3,900,000	5,600,000
Intercompany advances	0	0	0
Net cash used in financing activities of continuing operations		3,900,000
Net cash used in financing activities of discontinued operations		0
Net cash used in financing activities	0	3,900,000	5,600,000
Effect of exchange rate changes on cash and cash equivalents	0	0	0
Net increase (decrease) in cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of period	0	0	0
Cash and cash equivalents at end of period	$ 0	$ 0	$ 0