CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Cash flows from operating activities: [Abstract]
Net income (loss)	$ (27,218)	$ 2,784
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: [Abstract]
(Gain) loss on sale of discontinued operations, net of taxes	5,015	0
Income (loss) from discontinued operations, net of taxes	381	1,771
Depreciation and amortization, excluding non-cash interest expense	15,748	16,021
Non-cash interest expense, net	1,637	1,228
Deferred income taxes	(2,757)	(1,665)
Non-cash restructuring, impairment and other charges, net	10,729	258
Gain on bargain purchase	0	(10,539)
(Gain) loss on early extinguishment of debt	10,629	0
Stock-based compensation provision	1,587	2,508
(Gain) loss on sale of assets	0	(22)
Other non-cash charges	1,535	2,381
Changes in operating assets and liabilities, excluding the effects of acquired businesses: [Abstract]
Accounts receivable	13,247	2,118
Inventories	(12,631)	(4,950)
Accounts payable and accrued compensation and related liabilities	(12,490)	6,098
Other working capital changes	(18,857)	(18,374)
Other, net	(2,657)	(3,130)
Net cash provided by (used in) operating activities of continuing operations	(16,864)	(7,055)
Net cash provided by (used in) operating activities of discontinued operations	(4,111)	1,530
Net cash provided by (used in) operating activities	(20,975)	(5,525)
Cash flows from investing activities: [Abstract]
Cost of business acquisitions, net of cash acquired	(598)	(55,261)
Capital expenditures	(5,319)	(3,909)
Proceeds from sale of property, plant and equipment	234	2,918
Net cash (used in) provided by investing activities of continuing operations	(5,683)	(56,252)
Net cash (used in) provided by investing activities of discontinued operations	39,921	(154)
Net cash (used in) provided by investing activities	34,238	(56,406)
Cash flows from financing activities: [Abstract]
Repayment of 101/2% senior notes	(170,000)	0
Repayment of Term Loan B due 2016	(45,100)	(950)
Payment of financing related costs and expenses and debt issuance discounts	(22,955)	0
Repayments of other long-term debt	(1,158)	(1,511)
Retirement of common stock upon vesting of RSUs	(329)	0
Proceeds from issuance of 111/2% senior notes	225,000	0
Proceeds from issuance of 7% senior exchangeable notes	86,250	0
Borrowings under revolving credit facility, net	65,600	24,000
Proceeds from exercise of stock options	0	168
Net cash provided by (used in) financing activities of continuing operations	(20,151)	21,707
Net cash provided by (used in) financing activities of discontinued operations	(1,652)	0
Net cash provided by (used in) financing activities	(21,803)	21,707
Effect of exchange rate changes on cash and cash equivalents	65	(7)
Net increase (decrease) in cash and cash equivalents	(8,475)	(40,231)
Cash and cash equivalents at beginning of year	17,753	49,756
Cash and cash equivalents at end of year	9,278	9,525
Repayment of 8 3/8% senior subordinated notes [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	(25,202)	0
Repayment of 7 7/8% senior subordinated notes [Member]
Cash flows from financing activities: [Abstract]
Repayments of senior subordinated notes	$ (132,257)	$ 0