Subsidiary Guarantors - (Statements of Operations and Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 314,391	$ 310,459	$ 527,345	$ 507,195
Cost of sales	233,685	230,119	405,545	386,776
Gross profit	80,706	80,340	121,800	120,419
Selling, general and administrative expenses	59,542	65,624	119,012	124,540
Income (loss) from operations	21,164	14,716	2,788	(4,121)
Interest expense, net	18,925	19,095	37,612	37,795
Foreign currency loss	199	124	237	94
Income (loss) before income taxes	2,040	(4,503)	(35,061)	(42,010)
Income tax expense (benefit)	1,667	2,690	2,436	2,301
Income (loss) before equity loss from subsidiaries	373	(7,193)	(37,497)	(44,311)
Equity loss from subsidiaries	0	0	0	0
Net income (loss)	373	(7,193)	(37,497)	(44,311)
Other comprehensive income (loss):
Unrecognized actuarial losses and prior service costs, net of tax	24	0	24	0
Foreign currency translation adjustments, net of tax	(6,513)	2,425	1,441	15,389
Total comprehensive income (loss)	(6,116)	(4,768)	(36,032)	(28,922)
Company
Condensed Financial Statements, Captions [Line Items]
Net sales	235,619	226,284	395,479	370,496
Cost of sales	176,115	169,717	304,158	284,850
Gross profit	59,504	56,567	91,321	85,646
Selling, general and administrative expenses	47,605	53,440	94,768	100,081
Income (loss) from operations	11,899	3,127	(3,447)	(14,435)
Interest expense, net	18,399	18,520	36,777	36,859
Foreign currency loss	0	0	0	0
Income (loss) before income taxes	(6,500)	(15,393)	(40,224)	(51,294)
Income tax expense (benefit)	41	0	1,406	0
Income (loss) before equity loss from subsidiaries	(6,541)	(15,393)	(41,630)	(51,294)
Equity loss from subsidiaries	6,914	8,200	4,133	6,983
Net income (loss)	373	(7,193)	(37,497)	(44,311)
Other comprehensive income (loss):
Unrecognized actuarial losses and prior service costs, net of tax	24		24
Foreign currency translation adjustments, net of tax	(6,513)	2,425	1,441	15,389
Total comprehensive income (loss)	(6,116)	(4,768)	(36,032)	(28,922)
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
Income (loss) 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
Income (loss) before equity loss from subsidiaries	0	0	0	0
Equity loss from subsidiaries	0	0	0	0
Net income (loss)	0	0	0	0
Other comprehensive income (loss):
Unrecognized actuarial losses and prior service costs, net of tax	0		0
Foreign currency translation adjustments, net of tax	0	0	0	0
Total comprehensive income (loss)	0	0	0	0
Subsidiary Guarantors
Condensed Financial Statements, Captions [Line Items]
Net sales	48,412	44,309	85,733	78,477
Cost of sales	45,164	42,674	81,476	76,009
Gross profit	3,248	1,635	4,257	2,468
Selling, general and administrative expenses	1,294	858	3,179	1,900
Income (loss) from operations	1,954	777	1,078	568
Interest expense, net	0	0	0	0
Foreign currency loss	0	0	0	0
Income (loss) before income taxes	1,954	777	1,078	568
Income tax expense (benefit)	(88)	0	(36)	0
Income (loss) before equity loss from subsidiaries	2,042	777	1,114	568
Equity loss from subsidiaries	4,872	7,423	3,019	6,415
Net income (loss)	6,914	8,200	4,133	6,983
Other comprehensive income (loss):
Unrecognized actuarial losses and prior service costs, net of tax	0		0
Foreign currency translation adjustments, net of tax	0	0	0	0
Total comprehensive income (loss)	6,914	8,200	4,133	6,983
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net sales	81,971	83,885	134,495	134,950
Cost of sales	64,017	61,747	108,273	102,645
Gross profit	17,954	22,138	26,222	32,305
Selling, general and administrative expenses	10,643	11,326	21,065	22,559
Income (loss) from operations	7,311	10,812	5,157	9,746
Interest expense, net	526	575	835	936
Foreign currency loss	199	124	237	94
Income (loss) before income taxes	6,586	10,113	4,085	8,716
Income tax expense (benefit)	1,714	2,690	1,066	2,301
Income (loss) before equity loss from subsidiaries	4,872	7,423	3,019	6,415
Equity loss from subsidiaries	0	0	0	0
Net income (loss)	4,872	7,423	3,019	6,415
Other comprehensive income (loss):
Unrecognized actuarial losses and prior service costs, net of tax	24		24
Foreign currency translation adjustments, net of tax	(6,513)	2,425	1,441	15,389
Total comprehensive income (loss)	(1,617)	9,848	4,484	21,804
Reclassification/Eliminations
Condensed Financial Statements, Captions [Line Items]
Net sales	(51,611)	(44,019)	(88,362)	(76,728)
Cost of sales	(51,611)	(44,019)	(88,362)	(76,728)
Gross profit	0	0	0	0
Selling, general and administrative expenses	0	0	0	0
Income (loss) 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
Income (loss) before equity loss from subsidiaries	0	0	0	0
Equity loss from subsidiaries	(11,786)	(15,623)	(7,152)	(13,398)
Net income (loss)	(11,786)	(15,623)	(7,152)	(13,398)
Other comprehensive income (loss):
Unrecognized actuarial losses and prior service costs, net of tax	(24)		(24)
Foreign currency translation adjustments, net of tax	6,513	(2,425)	(1,441)	(15,389)
Total comprehensive income (loss)	$ (5,297)	$ (18,048)	$ (8,617)	$ (28,787)