CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jul. 01, 2017	Jul. 02, 2016
Cash flows from operating activities: [Abstract]
Net (loss) income	$ (10,543)	$ 58,759
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Loss on sale of discontinued operations, net of taxes	0	2,645
Loss from discontinued operations, net of taxes	0	2,476
Depreciation and amortization, excluding non-cash interest expense	23,743	23,856
Non-cash interest expense, net	3,937	4,753
Deferred income taxes	(4,828)	712
Gain on sale of assets	(206)	(1,924)
Non-cash restructuring and other charges, net	8,305	4,663
Non-cash loss (gain) on early extinguishment of debt, net	43	(70,803)
Stock-based compensation provision	433	1,008
Other non-cash charges	1,161	1,724
Changes in operating assets and liabilities:
Accounts receivable	42,455	40,958
Inventories	(9,920)	8,689
Accounts payable and accrued compensation and related liabilities	(37,462)	(51,500)
Other working capital changes	(15,458)	(16,498)
Other, net	(949)	(1,787)
Net cash provided by operating activities of continuing operations	711	7,731
Net cash used in operating activities of discontinued operations	0	(10,296)
Net cash provided by (used in) operating activities	711	(2,565)
Cash flows from investing activities:
Capital expenditures	(14,478)	(17,561)
Proceeds from sale of property, plant and equipment	1,265	7,993
Proceeds from sale of assets	0	2,000
Net cash used in investing activities of continuing operations	(13,213)	(7,568)
Net cash provided by investing activities of discontinued operations	0	92,906
Net cash (used in) provided by investing activities	(13,213)	85,338
Cash flows from financing activities:
Proceeds from issuance of 4% secured notes due 2021	0	50,000
Payment of financing-related costs and expenses and debt issuance discounts	(298)	(10,763)
Proceeds from issuance of other long-term debt	7,900	0
Repayments of other long-term debt	(2,978)	(3,102)
Repayment of 11.5% senior notes due 2017	(20,465)	(4,725)
Repayment of 7% senior exchangeable notes due 2017	(5,493)	(27,580)
Purchase and retirement of common stock upon vesting of restricted stock units	(55)	(341)
Borrowings under asset-based revolving credit facility due 2021	221,253	247,100
Repayments under asset-based revolving credit facility due 2021	(185,945)	(339,400)
Net cash provided by (used in) financing activities of continuing operations	13,919	(88,811)
Net cash used in financing activities of discontinued operations	0	(8)
Net cash provided by (used in) financing activities	13,919	(88,819)
Effect of exchange rate changes on cash and cash equivalents	149	453
Net increase (decrease) in cash and cash equivalents	1,566	(5,593)
Cash and cash equivalents at beginning of period	5,532	10,556
Cash and cash equivalents at end of period	7,098	4,963
Supplemental cash flow disclosures:
Cash paid for interest	34,703	43,200
Cash paid for taxes, net	693	2,750
Non-cash origination of capital leases	$ 3,029	$ 803