CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Income Statement [Abstract]
Net sales	$ 442,781	$ 437,168	$ 1,267,935	$ 1,300,593
Cost of sales	367,356	353,780	1,056,392	1,063,119
Selling, general and administrative expenses	53,105	44,469	148,783	137,918
Amortization of intangible assets	2,459	2,447	7,473	7,455
Restructuring, impairment and other charges	3,337	4,190	10,243	22,566
Operating income	16,524	32,282	45,044	69,535
Gain on bargain purchase	(12,435)	0	(12,435)	0
Interest expense, net	27,611	28,926	85,421	85,574
Loss on early extinguishment of debt, net	1,593	25	9,440	11,439
Other expense/(income), net	595	491	(1,400)	(327)
(Loss)/income from continuing operations before income taxes	(840)	2,840	(35,982)	(27,151)
Income tax benefit	(11,331)	(182)	(6,987)	(4,012)
Income/(loss) from continuing operations	10,491	3,022	(28,995)	(23,139)
Income/(loss) from discontinued operations, net of taxes	13,492	1,453	14,950	(5)
Net income/(loss)	23,983	4,475	(14,045)	(23,144)
Other comprehensive income/(loss):
Currency translation adjustment	(31)	2,412	(3,139)	1,654
Comprehensive income/(loss)	$ 23,952	$ 6,887	$ (17,184)	$ (21,490)
Income/(loss) per share – basic:
Continuing operations per share - basic	$ 0.16	$ 0.05	$ (0.45)	$ (0.36)
Discontinued operations per share - basic	$ 0.21	$ 0.02	$ 0.23	$ 0.00
Net income (loss) per share - basic	$ 0.37	$ 0.07	$ (0.22)	$ (0.36)
Income/(loss) per share – diluted:
Continuing operations per share - diluted	$ 0.13	$ 0.04	$ (0.45)	$ (0.36)
Discontinued operations per share - diluted	$ 0.16	$ 0.02	$ 0.23	$ 0.00
Net income (loss) per share - diluted	$ 0.29	$ 0.06	$ (0.22)	$ (0.36)
Weighted average shares outstanding:
Basic shares	64,333	63,624	64,032	63,502
Diluted shares	86,032	84,544	64,032	63,502