CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Cash flows from operating activities: [Abstract]
Net loss	$ (79,887)	$ (8,565)	$ (186,377)
Adjustments to reconcile net loss to net cash provided by operating activities:
Loss on sale of discontinued operations, net of taxes	6,260	0	0
Loss (income) from discontinued operations, net of taxes	(237)	7,537	(11,321)
Impairment of goodwill related to discontinued operations	0	13,500	0
Depreciation	51,644	53,648	53,214
Amortization of intangible assets	10,283	10,306	10,638
Non-cash interest expense, net	8,263	5,277	4,716
Deferred income taxes	58,898	11,793	(48,815)
Tax Adjustments, Settlements, and Unusual Provisions		0	(4,001)
(Gain) loss on sale of assets	(2,796)	376	81
Non-cash restructuring, impairment and other charges, net	11,226	3,853	201,781
Gain on bargain purchase	0	(11,720)	0
Loss (gain) on early extinguishment of debt, net	12,487	(4,011)	9,592
Provisions for bad debts	2,097	2,348	5,000
Provisions for inventory obsolescence	3,603	3,416	3,681
Stock-based compensation provision	5,333	8,716	10,853
Changes in operating assets and liabilities, excluding the effects of acquired businesses: [Abstract]
Accounts receivable	27,035	(6,912)	3,267
Inventories	(507)	20,860	(2,084)
Accounts payable and accrued compensation and related liabilities	(12,209)	11,777	(18,171)
Other working capital changes	(29,100)	(14,796)	15,385
Other, net	(15,595)	(23,585)	2,317
Net cash provided by operating activities of continuing operations	56,798	83,818	49,756
Net cash (used in) provided by operating activities of discontinued operations	(4,733)	(3,496)	8,830
Net cash provided by operating activities	52,065	80,322	58,586
Cash flows from investing activities: [Abstract]
Cost of business acquisitions, net of cash acquired	(644)	(59,719)	(40,545)
Capital expenditures	(20,951)	(15,671)	(18,152)
Purchase of investment	(350)	0	0
Proceeds from sale of property, plant and equipment	7,978	11,114	3,539
Proceeds from sale of assets	5,700	0	0
Net cash used in investing activities of continuing operations	(8,267)	(64,276)	(55,158)
Net cash provided by (used in) investing activities of discontinued operations	39,921	(536)	(879)
Net cash provided by (used in) investing activities	31,654	(64,812)	(56,037)
Cash flows from financing activities: [Abstract]
Repayment of 10.5% senior notes	(169,875)	0	0
Payment of financing related costs and expenses and debt issuance discounts	(37,836)	(2,675)	(23,154)
Repayments of other long-term debt	(4,846)	(6,403)	(7,635)
Purchase and retirement of common stock upon vesting of RSUs	(735)	(1,283)	(1,597)
Proceeds from issuance of 11.5% senior notes	225,000	0	0
Proceeds from issuance of 7% senior exchangeable notes	86,250	0	0
Borrowings (repayments) under revolving credit facility, net	18,000	0	(22,500)
Proceeds from exercise of stock options	0	356	1,030
Proceeds from issuance of 8.875% senior second lien notes	0	0	397,204
Proceeds from issuance of Term Loan B	31,844	0	376,200
Net cash (used in) provided by financing activities of continuing operations	(91,816)	(48,120)	36,242
Net cash used in financing activities of discontinued operations	(1,652)	0	0
Net cash (used in) provided by financing activities	(93,468)	(48,120)	36,242
Effect of exchange rate changes on cash and cash equivalents	106	614	169
Net (decrease) increase in cash and cash equivalents	(9,643)	(31,996)	38,960
Cash and cash equivalents at beginning of year	17,753	49,749	10,789
Cash and cash equivalents at end of year	8,110	17,753	49,749
7.875% senior subordinated notes [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	(214,831)	(8,952)	0
Term Loan B, due 2016 [Member]
Cash flows from financing activities: [Abstract]
Repayment of Term Loan	0	(23,800)	0
8.375% senior subordinated notes [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	(24,787)	(5,363)	0
Term Loans [Member]
Cash flows from financing activities: [Abstract]
Repayment of Term Loan	0	0	(683,306)
Deferred Income Taxes - Valuation Allowance Charge [Member]
Adjustments to reconcile net loss to net cash provided by operating activities:
Deferred income taxes	56,500
Deferred Income Taxes - Other [Member]
Adjustments to reconcile net loss to net cash provided by operating activities:
Deferred income taxes	$ 2,398