CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Cash flows from operating activities: [Abstract]
Net income (loss)	$ (8,565)	$ (186,377)	$ (30,939)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: [Abstract]
Income (loss) from discontinued operations, net of taxes	7,537	(11,321)	(18,097)
Impairment of goodwill related to discontinued operations	13,500	0	0
Depreciation	53,648	53,214	54,262
Amortization of intangible assets	10,306	10,638	9,178
Non-cash interest expense, net	5,277	4,716	2,304
Deferred income taxes	11,793	(48,815)	(16,882)
Non-cash taxes	0	(4,001)	0
Non-cash restructuring, impairment and other charges, net	3,853	201,781	32,204
Gain on bargain purchase	(11,720)	0	0
(Gain) loss on early extinguishment of debt	(4,011)	9,592	(16,917)
Provisions for bad debts	2,348	5,000	5,346
Provisions for inventory obsolescence	3,416	3,681	3,841
Stock-based compensation provision	8,716	10,853	14,274
(Gain) loss on sale of assets	376	81	(5,006)
Changes in operating assets and liabilities, excluding the effects of acquired businesses: [Abstract]
Accounts receivable	(6,912)	3,267	22,761
Inventories	20,860	(2,084)	33,773
Accounts payable and accrued compensation and related liabilities	11,777	(18,171)	(17,628)
Other working capital changes	(14,796)	15,385	(3,243)
Other, net	(23,585)	2,317	(5,001)
Net cash provided by continuing operating activities	83,818	49,756	64,230
Net cash provided by (used in) discontinued operating activities	(3,496)	8,830	7,823
Net cash provided by operating activities	80,322	58,586	72,053
Cash flows from investing activities: [Abstract]
Cost of business acquisitions, net of cash acquired	(59,719)	(40,545)	(3,189)
Capital expenditures	(15,671)	(18,152)	(25,035)
Proceeds from sale of property, plant and equipment	11,114	3,539	14,619
Proceeds from sale of investment	0	0	4,032
Net cash used in investing activities of continuing operations	(64,276)	(55,158)	(9,573)
Net cash used in investing activities of discontinued operations	(536)	(879)	(192)
Net cash used in investing activities	(64,812)	(56,037)	(9,765)
Cash flows from financing activities: [Abstract]
Repayments of other long-term debt	(6,403)	(7,635)	(12,178)
Payment of financing related costs and expenses	(2,675)	(23,154)	(7,390)
Purchase and retirement of common stock upon vesting of RSUs	(1,283)	(1,597)	(2,050)
Proceeds from exercise of stock options	356	1,030	539
Proceeds from issuance of 8 7/8% senior second lien notes	0	397,204	0
Proceeds from issuance of Term Loan B	0	376,200	0
(Repayment) under revolving credit facility, net	0	(22,500)
Borrowings under revolving credit facility, net			14,500
Repayment of 101/2% senior notes	0	0	3,250
Net cash provided by (used in) financing activities	(48,120)	36,242	(61,742)
Effect of exchange rate changes on cash and cash equivalents	614	169	(193)
Net increase (decrease) in cash and cash equivalents	(31,996)	38,960	353
Cash and cash equivalents at beginning of year	49,749	10,789	10,436
Cash and cash equivalents at end of year	17,753	49,749	10,789
Repayment of 8 3/8% senior subordinated notes [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	(5,363)	0	(23,024)
Repayment of 7 7/8% senior subordinated notes [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	(8,952)	0	(4,295)
Repayment of Term Loan B due 2016 [Member]
Cash flows from financing activities: [Abstract]
Repayment of Term Loans	(23,800)	0	0
Repayments of Term Loans [Member]
Cash flows from financing activities: [Abstract]
Repayment of Term Loans	$ 0	$ (683,306)	$ (24,594)