Condensed Consolidating Financial Information (Condensed Consolidating Statement of Cash Flows) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jan. 02, 2016
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	$ 5,648	$ (8,317)
Net cash (used in) provided by operating activities of discontinued operations	(7,525)	6,688
Net cash used in operating activities	(1,877)	(1,629)
Cash flows from investing activities:
Capital expenditures	(17,561)	(12,742)
Proceeds from sale of property, plant and equipment	7,993	1,429
Proceeds from sale of assets	2,000	0
Net cash used in investing activities of continuing operations	(7,568)	(11,313)
Net cash provided by (used in) investing activities of discontinued operations	92,906	(961)
Net cash provided by (used in) investing activities	85,338	(12,274)
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	(8,680)	(1,210)
Repayments of other long-term debt	(3,102)	(2,349)
Repayment of 11.5% senior notes due 2017	(4,725)	(22,720)
Repayment of 7% senior exchangeable notes	(27,580)	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	247,100	265,900
Repayments under ABL Facility due 2021	(339,400)	(227,000)
Intercompany advances	0	0
Net cash (used in) provided by financing activities of continuing operations	(86,728)	12,405
Net cash used in financing activities of discontinued operations	(8)	(233)
Net cash (used in) provided by financing activities	(86,736)	12,172
Effect of exchange rate changes on cash and cash equivalents	453	(665)
Net decrease in cash and cash equivalents	(2,822)	(2,396)
Cash and cash equivalents at beginning of period	7,785	14,593
Cash and cash equivalents at end of period	4,963	12,197
Less cash and cash equivalents of discontinued operations	0	(2,399)
Cash and cash equivalents of continuing operations at end of period	4,963	9,798	$ 7,785
Parent Company [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	1,008	444
Net cash (used in) provided by operating activities of discontinued operations	0	0
Net cash used in operating activities	1,008	444
Cash flows from investing activities:
Capital expenditures	0	0
Proceeds from sale of property, plant and equipment	0	0
Proceeds from sale of assets	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	(667)	(228)
Net cash (used in) provided by financing activities of continuing operations	(1,008)	(444)
Net cash used in financing activities of discontinued operations	0	0
Net cash (used in) provided by financing activities	(1,008)	(444)
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	(58,084)	(53,058)
Net cash (used in) provided by operating activities of discontinued operations	0	0
Net cash used in operating activities	(58,084)	(53,058)
Cash flows from investing activities:
Capital expenditures	(8,559)	(9,922)
Proceeds from sale of property, plant and equipment	7,973	586
Proceeds from sale of assets	0
Net cash used in investing activities of continuing operations	(586)	(9,336)
Net cash provided by (used in) investing activities of discontinued operations	0	0
Net cash provided by (used in) investing activities	(586)	(9,336)
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	(8,680)	(1,210)
Repayments of other long-term debt	(3,352)	(3,978)
Repayment of 11.5% senior notes due 2017	(4,725)	(22,720)
Repayment of 7% senior exchangeable notes	(27,580)
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	247,100	265,900
Repayments under ABL Facility due 2021	(339,400)	(227,000)
Intercompany advances	143,669	47,312
Net cash (used in) provided by financing activities of continuing operations	57,032	58,304
Net cash used in financing activities of discontinued operations	0	0
Net cash (used in) provided by financing activities	57,032	58,304
Effect of exchange rate changes on cash and cash equivalents	0	0
Net decrease in cash and cash equivalents	(1,638)	(4,090)
Cash and cash equivalents at beginning of period	5,558	10,965
Cash and cash equivalents at end of period	3,920	6,875
Less cash and cash equivalents of discontinued operations		0
Cash and cash equivalents of continuing operations at end of period	3,920	6,875	5,558
Guarantor Subsidiaries [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	61,624	42,449
Net cash (used in) provided by operating activities of discontinued operations	(7,087)	6,316
Net cash used in operating activities	54,537	48,765
Cash flows from investing activities:
Capital expenditures	(8,565)	(2,820)
Proceeds from sale of property, plant and equipment	20	843
Proceeds from sale of assets	2,000
Net cash used in investing activities of continuing operations	(6,545)	(1,977)
Net cash provided by (used in) investing activities of discontinued operations	86,419	(961)
Net cash provided by (used in) investing activities	79,874	(2,938)
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	250	1,629
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	(135,130)	(46,862)
Net cash (used in) provided by financing activities of continuing operations	(134,880)	(45,233)
Net cash used in financing activities of discontinued operations	(8)	(233)
Net cash (used in) provided by financing activities	(134,888)	(45,466)
Effect of exchange rate changes on cash and cash equivalents	316	(552)
Net decrease in cash and cash equivalents	(161)	(191)
Cash and cash equivalents at beginning of period	235	844
Cash and cash equivalents at end of period	74	653
Less cash and cash equivalents of discontinued operations		(83)
Cash and cash equivalents of continuing operations at end of period	74	570	235
Non-Guarantor Subsidiaries [Member]
Cash flows from operating activities: [Abstract]
Net cash provided by (used in) operating activities of continuing operations	1,100	1,848
Net cash (used in) provided by operating activities of discontinued operations	(438)	372
Net cash used in operating activities	662	2,220
Cash flows from investing activities:
Capital expenditures	(437)	0
Proceeds from sale of property, plant and equipment	0	0
Proceeds from sale of assets	0
Net cash used in investing activities of continuing operations	(437)	0
Net cash provided by (used in) investing activities of discontinued operations	6,487	0
Net cash provided by (used in) investing activities	6,050	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	(7,872)	(222)
Net cash (used in) provided by financing activities of continuing operations	(7,872)	(222)
Net cash used in financing activities of discontinued operations	0	0
Net cash (used in) provided by financing activities	(7,872)	(222)
Effect of exchange rate changes on cash and cash equivalents	137	(113)
Net decrease in cash and cash equivalents	(1,023)	1,885
Cash and cash equivalents at beginning of period	1,992	2,784
Cash and cash equivalents at end of period	969	4,669
Less cash and cash equivalents of discontinued operations		(2,316)
Cash and cash equivalents of continuing operations at end of period	969	2,353	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 used in operating activities	0	0
Cash flows from investing activities:
Capital expenditures	0	0
Proceeds from sale of property, plant and equipment	0	0
Proceeds from sale of assets	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