Condensed Consolidating Financial Information (Condensed Consolidating Statement of Cash Flows) (Details) - USD ($) $ in Thousands	9 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Jan. 02, 2016
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	$ 13,405	$ 1,500
Net cash (used in) provided by operating activities of discontinued operations	(7,739)	13,345
Net cash provided by operating activities	5,666	14,845
Cash flows from investing activities:
Capital expenditures	(31,173)	(19,245)
Cost of business acquisitions	0	(1,996)
Proceeds from sale of property, plant and equipment	8,272	1,471
Proceeds from sale of assets	2,000	2,180
Net cash used in investing activities of continuing operations	(20,901)	(17,590)
Net cash provided by (used in) investing activities of discontinued operations	94,364	(1,864)
Net cash provided by (used in) investing activities	73,463	(19,454)
Cash flows from financing activities:
Proceeds from issuance of 4% secured notes due 2021	50,000	0
Payment of financing-related costs and expenses and debt issuance discounts	(9,967)	(1,309)
Repayments of other long-term debt	(4,115)	(3,345)
Repayment of 11.5% senior notes due 2017	(4,725)	(22,720)
Repayment of 7% senior exchangeable notes	(40,207)	0
Purchase and retirement of common stock upon vesting of RSUs	(341)	(218)
Proceeds from exercise of stock options	0	2
Borrowings under ABL Facility due 2021	368,600	358,900
Repayments under ABL Facility due 2021	(441,700)	(328,500)
Intercompany advances	0	0
Net cash (used in) provided by financing activities of continuing operations	(82,455)	2,810
Net cash used in financing activities of discontinued operations	(8)	(352)
Net cash (used in) provided by financing activities	(82,463)	2,458
Effect of exchange rate changes on cash and cash equivalents	443	(536)
Net decrease in cash and cash equivalents	(2,891)	(2,687)
Cash and cash equivalents at beginning of period	7,785	14,593
Cash and cash equivalents at end of period	4,894	11,906
Less cash and cash equivalents of discontinued operations	0	(2,332)
Cash and cash equivalents of continuing operations at end of period	4,894	9,574	$ 7,785
Parent Company [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	1,230	1,481
Net cash (used in) provided by operating activities of discontinued operations	0	0
Net cash provided by operating activities	1,230	1,481
Cash flows from investing activities:
Capital expenditures	0	0
Cost of business acquisitions		0
Proceeds from sale of property, plant and equipment	0	0
Proceeds from sale of assets	0	0
Net cash used in investing activities of continuing operations	0	0
Net cash provided by (used in) investing activities of discontinued operations	0	0
Net cash provided by (used in) investing activities	0	0
Cash flows from financing activities:
Proceeds from issuance of 4% secured notes due 2021	0
Payment of financing-related costs and expenses and debt issuance discounts	0	0
Repayments of other long-term debt	0	0
Repayment of 11.5% senior notes due 2017	0	0
Repayment of 7% senior exchangeable notes	0
Purchase and retirement of common stock upon vesting of RSUs	(341)	(218)
Proceeds from exercise of stock options		2
Borrowings under ABL Facility due 2021	0	0
Repayments under ABL Facility due 2021	0	0
Intercompany advances	(889)	(1,265)
Net cash (used in) provided by financing activities of continuing operations	(1,230)	(1,481)
Net cash used in financing activities of discontinued operations	0	0
Net cash (used in) provided by financing activities	(1,230)	(1,481)
Effect of exchange rate changes on cash and cash equivalents	0	0
Net decrease in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Less cash and cash equivalents of discontinued operations		0
Cash and cash equivalents of continuing operations at end of period	0	0	0
Subsidiary Issuer [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	(81,724)	86,182
Net cash (used in) provided by operating activities of discontinued operations	0	0
Net cash provided by operating activities	(81,724)	86,182
Cash flows from investing activities:
Capital expenditures	(14,317)	(14,315)
Cost of business acquisitions		(1,996)
Proceeds from sale of property, plant and equipment	8,131	586
Proceeds from sale of assets	0	0
Net cash used in investing activities of continuing operations	(6,186)	(15,725)
Net cash provided by (used in) investing activities of discontinued operations	0	0
Net cash provided by (used in) investing activities	(6,186)	(15,725)
Cash flows from financing activities:
Proceeds from issuance of 4% secured notes due 2021	50,000
Payment of financing-related costs and expenses and debt issuance discounts	(9,967)	(1,309)
Repayments of other long-term debt	(4,136)	(4,763)
Repayment of 11.5% senior notes due 2017	(4,725)	(22,720)
Repayment of 7% senior exchangeable notes	(40,207)
Purchase and retirement of common stock upon vesting of RSUs	0	0
Proceeds from exercise of stock options		0
Borrowings under ABL Facility due 2021	368,600	358,900
Repayments under ABL Facility due 2021	(441,700)	(328,500)
Intercompany advances	169,051	(76,014)
Net cash (used in) provided by financing activities of continuing operations	86,916	(74,406)
Net cash used in financing activities of discontinued operations	0	0
Net cash (used in) provided by financing activities	86,916	(74,406)
Effect of exchange rate changes on cash and cash equivalents	0	0
Net decrease in cash and cash equivalents	(994)	(3,949)
Cash and cash equivalents at beginning of period	5,558	10,965
Cash and cash equivalents at end of period	4,564	7,016
Less cash and cash equivalents of discontinued operations		0
Cash and cash equivalents of continuing operations at end of period	4,564	7,016	5,558
Guarantor Subsidiaries [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	92,403	(85,589)
Net cash (used in) provided by operating activities of discontinued operations	(7,301)	13,039
Net cash provided by operating activities	85,102	(72,550)
Cash flows from investing activities:
Capital expenditures	(16,255)	(4,693)
Cost of business acquisitions		0
Proceeds from sale of property, plant and equipment	141	885
Proceeds from sale of assets	2,000	2,180
Net cash used in investing activities of continuing operations	(14,114)	(1,628)
Net cash provided by (used in) investing activities of discontinued operations	87,877	(1,864)
Net cash provided by (used in) investing activities	73,763	(3,492)
Cash flows from financing activities:
Proceeds from issuance of 4% secured notes due 2021	0
Payment of financing-related costs and expenses and debt issuance discounts	0	0
Repayments of other long-term debt	21	1,418
Repayment of 11.5% senior notes due 2017	0	0
Repayment of 7% senior exchangeable notes	0
Purchase and retirement of common stock upon vesting of RSUs	0	0
Proceeds from exercise of stock options		0
Borrowings under ABL Facility due 2021	0	0
Repayments under ABL Facility due 2021	0	0
Intercompany advances	(159,218)	75,440
Net cash (used in) provided by financing activities of continuing operations	(159,197)	76,858
Net cash used in financing activities of discontinued operations	(8)	(352)
Net cash (used in) provided by financing activities	(159,205)	76,506
Effect of exchange rate changes on cash and cash equivalents	316	(866)
Net decrease in cash and cash equivalents	(24)	(402)
Cash and cash equivalents at beginning of period	235	844
Cash and cash equivalents at end of period	211	442
Less cash and cash equivalents of discontinued operations		(82)
Cash and cash equivalents of continuing operations at end of period	211	360	235
Non-Guarantor Subsidiaries [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	1,496	(574)
Net cash (used in) provided by operating activities of discontinued operations	(438)	306
Net cash provided by operating activities	1,058	(268)
Cash flows from investing activities:
Capital expenditures	(601)	(237)
Cost of business acquisitions		0
Proceeds from sale of property, plant and equipment	0	0
Proceeds from sale of assets	0	0
Net cash used in investing activities of continuing operations	(601)	(237)
Net cash provided by (used in) investing activities of discontinued operations	6,487	0
Net cash provided by (used in) investing activities	5,886	(237)
Cash flows from financing activities:
Proceeds from issuance of 4% secured notes due 2021	0
Payment of financing-related costs and expenses and debt issuance discounts	0	0
Repayments of other long-term debt	0	0
Repayment of 11.5% senior notes due 2017	0	0
Repayment of 7% senior exchangeable notes	0
Purchase and retirement of common stock upon vesting of RSUs	0	0
Proceeds from exercise of stock options		0
Borrowings under ABL Facility due 2021	0	0
Repayments under ABL Facility due 2021	0	0
Intercompany advances	(8,944)	1,839
Net cash (used in) provided by financing activities of continuing operations	(8,944)	1,839
Net cash used in financing activities of discontinued operations	0	0
Net cash (used in) provided by financing activities	(8,944)	1,839
Effect of exchange rate changes on cash and cash equivalents	127	330
Net decrease in cash and cash equivalents	(1,873)	1,664
Cash and cash equivalents at beginning of period	1,992	2,784
Cash and cash equivalents at end of period	119	4,448
Less cash and cash equivalents of discontinued operations		(2,250)
Cash and cash equivalents of continuing operations at end of period	119	2,198	1,992
Eliminations [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	0	0
Net cash (used in) provided by operating activities of discontinued operations	0	0
Net cash provided by operating activities	0	0
Cash flows from investing activities:
Capital expenditures	0	0
Cost of business acquisitions		0
Proceeds from sale of property, plant and equipment	0	0
Proceeds from sale of assets	0	0
Net cash used in investing activities of continuing operations	0	0
Net cash provided by (used in) investing activities of discontinued operations	0	0
Net cash provided by (used in) investing activities	0	0
Cash flows from financing activities:
Proceeds from issuance of 4% secured notes due 2021	0
Payment of financing-related costs and expenses and debt issuance discounts	0	0
Repayments of other long-term debt	0	0
Repayment of 11.5% senior notes due 2017	0	0
Repayment of 7% senior exchangeable notes	0
Purchase and retirement of common stock upon vesting of RSUs	0	0
Proceeds from exercise of stock options		0
Borrowings under ABL Facility due 2021	0	0
Repayments under ABL Facility due 2021	0	0
Intercompany advances	0	0
Net cash (used in) provided by financing activities of continuing operations	0	0
Net cash used in financing activities of discontinued operations	0	0
Net cash (used in) provided by financing activities	0	0
Effect of exchange rate changes on cash and cash equivalents	0	0
Net decrease in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Less cash and cash equivalents of discontinued operations		0
Cash and cash equivalents of continuing operations at end of period	$ 0	$ 0	$ 0