Subsidiary Guarantors - Condensed Consolidating Statement of Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013	Dec. 28, 2013
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 353,742	$ 339,905	$ 870,206	$ 873,464
Cost of sales	279,131	257,959	689,167	664,569
Gross profit	74,611	81,946	181,039	208,895
Selling, general and administrative expenses	62,254	57,115	181,516	176,753
Goodwill, Impairment Loss	148,504	0	148,504	0
Impairment of Intangible Assets (Excluding Goodwill)	89,687	0	89,687	0	79,900
Manufacturing restructuring costs	0	0	(331)	0
Income from operations	(225,834)	24,831	(238,337)	32,142
Interest expense, net	20,749	20,328	61,828	59,560
Foreign currency loss	220	124	836	555
Income (loss) before income taxes	(246,803)	4,379	(301,001)	(27,973)
Income tax expense (benefit)	(27,627)	1,884	(24,868)	4,015
(Loss) income before equity income (loss) from subsidiaries	(219,176)	2,495	(276,133)	(31,988)
Equity income (loss) from subsidiaries	0	0	0	0
Net income (loss)	(219,176)	2,495	(276,133)	(31,988)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	3	173	11	478
Foreign currency translation adjustments, net of tax	(11,232)	5,828	(10,075)	(9,444)
Total comprehensive (loss) income	(230,405)	8,496	(286,197)	(40,954)
Company
Condensed Financial Statements, Captions [Line Items]
Net sales	273,512	256,304	681,666	667,048
Cost of sales	222,454	197,199	557,792	513,518
Gross profit	51,058	59,105	123,874	153,530
Selling, general and administrative expenses	50,159	44,922	146,389	139,194
Goodwill, Impairment Loss	99,524		99,524
Impairment of Intangible Assets (Excluding Goodwill)	54,600		54,600
Manufacturing restructuring costs			(331)
Income from operations	(153,225)	14,183	(176,308)	14,336
Interest expense, net	(20,328)	19,711	60,592	57,905
Foreign currency loss	0	0	0	0
Income (loss) before income taxes	(173,553)	(5,528)	(236,900)	(43,569)
Income tax expense (benefit)	(23,304)	(238)	(22,048)	1,177
(Loss) income before equity income (loss) from subsidiaries	(150,249)	(5,290)	(214,852)	(44,746)
Equity income (loss) from subsidiaries	(68,927)	7,785	(61,281)	12,758
Net income (loss)	(219,176)	2,495	(276,133)	(31,988)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	(3)	173	11	478
Foreign currency translation adjustments, net of tax	(11,232)	5,828	(10,075)	(9,444)
Total comprehensive (loss) income	(230,405)	8,496	(286,197)	(40,954)
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	0
Goodwill, Impairment Loss	0		0
Impairment of Intangible Assets (Excluding Goodwill)	0		0
Manufacturing restructuring costs			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	47,373	46,845	123,813	131,740
Cost of sales	44,273	43,411	115,818	122,695
Gross profit	3,100	3,434	7,995	9,045
Selling, general and administrative expenses	1,053	978	3,099	3,782
Goodwill, Impairment Loss	9,181		9,181
Impairment of Intangible Assets (Excluding Goodwill)	11,721		11,721
Manufacturing restructuring costs			0
Income from operations	(18,855)	2,456	(16,006)	5,263
Interest expense, net	0	0	0	0
Foreign currency loss	0	0	0	0
Income (loss) before income taxes	(18,855)	2,456	(16,006)	5,263
Income tax expense (benefit)	(1,286)	(43)	(1,349)	(119)
(Loss) income before equity income (loss) from subsidiaries	(17,569)	2,499	(14,657)	5,382
Equity income (loss) from subsidiaries	(51,359)	5,286	(46,624)	7,376
Net income (loss)	(68,928)	7,785	(61,281)	12,758
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	(11)	113	36	331
Foreign currency translation adjustments, net of tax	(11,232)	5,828	(10,075)	(9,444)
Total comprehensive (loss) income	(80,149)	13,726	(71,320)	3,645
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net sales	90,493	81,750	214,312	206,355
Cost of sales	70,040	62,343	165,142	160,035
Gross profit	20,453	19,407	49,170	46,320
Selling, general and administrative expenses	11,042	11,215	32,028	33,777
Goodwill, Impairment Loss	39,799		39,799
Impairment of Intangible Assets (Excluding Goodwill)	23,366		23,366
Manufacturing restructuring costs			0
Income from operations	(53,754)	8,192	(46,023)	12,543
Interest expense, net	(421)	617	1,236	1,655
Foreign currency loss	(220)	124	836	555
Income (loss) before income taxes	(54,395)	7,451	(48,095)	10,333
Income tax expense (benefit)	(3,037)	2,165	(1,471)	2,957
(Loss) income before equity income (loss) from subsidiaries	(51,358)	5,286	(46,624)	7,376
Equity income (loss) from subsidiaries	0	0	0	0
Net income (loss)	(51,358)	5,286	(46,624)	7,376
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	(13)	101	41	303
Foreign currency translation adjustments, net of tax	(11,232)	5,828	(10,075)	(9,444)
Total comprehensive (loss) income	(62,577)	11,215	(56,658)	(1,765)
Reclassification/Eliminations
Condensed Financial Statements, Captions [Line Items]
Net sales	(57,636)	(44,994)	(149,585)	(131,679)
Cost of sales	(57,636)	(44,994)	(149,585)	(131,679)
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
Manufacturing restructuring costs			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	120,286	(13,071)	107,905	(20,134)
Net income (loss)	120,286	(13,071)	107,905	(20,134)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	24	(214)	(77)	(634)
Foreign currency translation adjustments, net of tax	22,464	(11,656)	20,150	18,888
Total comprehensive (loss) income	$ 142,726	$ (24,941)	$ 127,978	$ (1,880)