Subsidiary Guarantors Condensed Consolidating Statement of Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014	Jan. 03, 2015	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 339,787	$ 353,742	$ 891,402	$ 870,206
Cost of sales	258,083	279,131	686,780	689,167
Gross profit	81,704	74,611	204,622	181,039
Selling, general and administrative expenses	61,391	62,254	182,027	181,516
Goodwill, Impairment Loss	0	148,504	0	148,504
Impairment of Intangible Assets (Excluding Goodwill)	0	89,687	0	89,687	$ 89,700	$ 79,900
Restructuring costs	1,787	0	1,787	(331)
Income from operations	18,526	(225,834)	20,808	(238,337)
Interest expense, net	20,808	20,749	62,670	61,828
Foreign currency loss	806	220	1,923	836
Income (loss) before income taxes	(3,088)	(246,803)	(43,785)	(301,001)
Income tax expense (benefit)	2,116	(27,627)	4,879	(24,868)
(Loss) income before equity income (loss) from subsidiaries	(5,204)	(219,176)	(48,664)	(276,133)
Equity income (loss) from subsidiaries	0	0	0	0
Net income (loss)	(5,204)	(219,176)	(48,664)	(276,133)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	145	3	444	11
Foreign currency translation adjustments, net of tax	(8,659)	(11,232)	(21,624)	(10,075)
Total comprehensive (loss) income	(13,718)	(230,405)	(69,844)	(286,197)
Company
Condensed Financial Statements, Captions [Line Items]
Net sales	267,732	273,512	709,642	681,666
Cost of sales	207,494	222,454	558,120	557,792
Gross profit	60,238	51,058	151,522	123,874
Selling, general and administrative expenses	49,447	50,159	146,298	146,389
Goodwill, Impairment Loss		99,524		99,524
Impairment of Intangible Assets (Excluding Goodwill)		54,600		54,600
Restructuring costs	1,787		1,787	(331)
Income from operations	9,004	(153,225)	3,437	(176,308)
Interest expense, net	19,008	20,328	57,072	60,592
Foreign currency loss	0	0	0	0
Income (loss) before income taxes	(10,004)	(173,553)	(53,635)	(236,900)
Income tax expense (benefit)	20	(23,304)	925	(22,048)
(Loss) income before equity income (loss) from subsidiaries	(10,024)	(150,249)	(54,560)	(214,852)
Equity income (loss) from subsidiaries	4,820	(68,927)	5,896	(61,281)
Net income (loss)	(5,204)	(219,176)	(48,664)	(276,133)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	145	3	444	11
Foreign currency translation adjustments, net of tax	(8,659)	(11,232)	(21,624)	(10,075)
Total comprehensive (loss) income	(13,718)	(230,405)	(69,844)	(286,197)
Co-Issuer
Condensed Financial Statements, Captions [Line Items]
Net sales	0	0	0	0
Cost of sales	0	0	0	0
Gross profit	0	0	0	0
Selling, general and administrative expenses	0		0	0
Goodwill, Impairment Loss		0		0
Impairment of Intangible Assets (Excluding Goodwill)		0		0
Restructuring costs	0		0	0
Income from operations	0	0	0	0
Interest expense, net	0	0	0	0
Foreign currency loss	0	0	0	0
Income (loss) before income taxes	0	0	0	0
Income tax expense (benefit)	0	0	0	0
(Loss) income before equity income (loss) from subsidiaries	0	0	0	0
Equity income (loss) from subsidiaries	0	0	0	0
Net income (loss)	0	0	0	0
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	0	0	0	0
Foreign currency translation adjustments, net of tax	0	0	0	0
Total comprehensive (loss) income	0	0	0	0
Subsidiary Guarantors
Condensed Financial Statements, Captions [Line Items]
Net sales	44,388	47,373	117,128	123,813
Cost of sales	41,978	44,273	111,785	115,818
Gross profit	2,410	3,100	5,343	7,995
Selling, general and administrative expenses	1,759	1,053	5,129	3,099
Goodwill, Impairment Loss		9,181		9,181
Impairment of Intangible Assets (Excluding Goodwill)		11,721		11,721
Restructuring costs	0		0	0
Income from operations	651	(18,855)	214	(16,006)
Interest expense, net	1,616	0	4,939	0
Foreign currency loss	0	0	0	0
Income (loss) before income taxes	(965)	(18,855)	(4,725)	(16,006)
Income tax expense (benefit)	13	(1,286)	90	(1,349)
(Loss) income before equity income (loss) from subsidiaries	(978)	(17,569)	(4,815)	(14,657)
Equity income (loss) from subsidiaries	5,798	(51,359)	10,711	(46,624)
Net income (loss)	4,820	(68,928)	5,896	(61,281)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	55	11	173	36
Foreign currency translation adjustments, net of tax	(8,659)	(11,232)	(21,624)	(10,075)
Total comprehensive (loss) income	(3,784)	(80,149)	(15,555)	(71,320)
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net sales	78,243	90,493	202,968	214,312
Cost of sales	59,187	70,040	155,211	165,142
Gross profit	19,056	20,453	47,757	49,170
Selling, general and administrative expenses	10,185	11,042	30,600	32,028
Goodwill, Impairment Loss		39,799		39,799
Impairment of Intangible Assets (Excluding Goodwill)		23,366		23,366
Restructuring costs	0		0	0
Income from operations	8,871	(53,754)	17,157	(46,023)
Interest expense, net	184	421	659	1,236
Foreign currency loss	806	220	1,923	836
Income (loss) before income taxes	7,881	(54,395)	14,575	(48,095)
Income tax expense (benefit)	2,083	(3,037)	3,864	(1,471)
(Loss) income before equity income (loss) from subsidiaries	5,798	(51,358)	10,711	(46,624)
Equity income (loss) from subsidiaries	0	0	0	0
Net income (loss)	5,798	(51,358)	10,711	(46,624)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	45	13	143	41
Foreign currency translation adjustments, net of tax	(8,659)	(11,232)	(21,624)	(10,075)
Total comprehensive (loss) income	(2,816)	(62,577)	(10,770)	(56,658)
Reclassification/Eliminations
Condensed Financial Statements, Captions [Line Items]
Net sales	(50,576)	(57,636)	(138,336)	(149,585)
Cost of sales	(50,576)	(57,636)	(138,336)	(149,585)
Gross profit	0	0	0	0
Selling, general and administrative expenses	0	0	0	0
Goodwill, Impairment Loss		0		0
Impairment of Intangible Assets (Excluding Goodwill)		0		0
Restructuring costs	0		0	0
Income from operations	0	0	0	0
Interest expense, net	0	0	0	0
Foreign currency loss	0	0	0	0
Income (loss) before income taxes	0	0	0	0
Income tax expense (benefit)	0	0	0	0
(Loss) income before equity income (loss) from subsidiaries	0	0	0	0
Equity income (loss) from subsidiaries	(10,618)	120,286	(16,607)	107,905
Net income (loss)	(10,618)	120,286	(16,607)	107,905
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	(100)	(24)	(316)	(77)
Foreign currency translation adjustments, net of tax	17,318	22,464	43,248	20,150
Total comprehensive (loss) income	$ 6,600	$ 142,726	$ 26,325	$ 127,978