CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Income Statement [Abstract]
Net sales	$ 451,818	$ 451,274	$ 438,907	$ 455,583	$ 486,482	$ 475,835	$ 469,899	$ 476,971	$ 1,797,582	$ 1,909,187	$ 1,708,529
Cost of sales									1,461,214	1,546,173	1,385,702
Selling, general and administrative expenses									186,789	217,136	203,983
Amortization of intangible assets									10,283	10,306	10,638
Restructuring, impairment and other charges									27,100	17,812	226,150
Operating income (loss)	33,996	34,988	28,973	14,239	38,998	33,225	26,262	19,275	112,196	117,760	(117,944)
Gain on bargain purchase									0	(11,720)	0
Interest expense, net									114,755	115,968	121,037
Loss (gain) on early extinguishment of debt, net									12,487	(4,011)	9,592
Other (income) expense, net									(1,249)	9,074	2,327
(Loss) income from continuing operations before income taxes									(13,797)	8,449	(250,900)
Income tax expense (benefit)									60,067	9,477	(53,202)
Loss from continuing operations	(55,976)	4,658	38	(22,584)	(1,763)	1,274	(1,552)	1,013	(73,864)	(1,028)	(197,698)
(Loss) income from discontinued operations, net of taxes	(767)	(183)	(439)	(4,634)	(12,765)	1,531	1,926	1,771	(6,023)	(7,537)	11,321
Net loss	(56,743)	4,475	(401)	(27,218)	(14,528)	2,805	374	2,784	(79,887)	(8,565)	(186,377)
Comprehensive income (loss): [Abstract]
Pension liability adjustment, net of taxes									(7,986)	(37,130)	(2,698)
Unrealized gain on cash flow hedges, net of taxes									0	0	8,449
Reclassifications of losses related to interest rate swaps into earnings, net of taxes									0	1,793	1,241
Currency translation adjustment									665	(4,260)	3,001
Comprehensive loss									$ (87,208)	$ (48,162)	$ (176,384)
Income (loss) per share - basic: [Abstract]
Continuing operations per share - basic	$ (0.88)	$ 0.07	$ 0.00	$ (0.36)	$ (0.03)	$ 0.02	$ (0.02)	$ 0.02	$ (1.16)	$ (0.02)	$ (3.17)
Discontinued operations per share - basic	$ (0.01)	$ 0.00	$ (0.01)	$ (0.07)	$ (0.20)	$ 0.02	$ 0.03	$ 0.02	$ (0.10)	$ (0.12)	$ 0.18
Net income (loss) per share - basic	$ (0.89)	$ 0.07	$ (0.01)	$ (0.43)	$ (0.23)	$ 0.04	$ 0.01	$ 0.04	$ (1.26)	$ (0.14)	$ (2.99)
Income (loss) per share - diluted: [Abstract]
Continuing operations per share - diluted	$ (0.88)	$ 0.06	$ 0.00	$ (0.36)	$ (0.03)	$ 0.02	$ (0.02)	$ 0.02	$ (1.16)	$ (0.02)	$ (3.17)
Discontinued operations per share - diluted	$ (0.01)	$ 0.00	$ (0.01)	$ (0.07)	$ (0.20)	$ 0.02	$ 0.03	$ 0.02	$ (0.10)	$ (0.12)	$ 0.18
Net income (loss) per share - diluted	$ (0.89)	$ 0.06	$ (0.01)	$ (0.43)	$ (0.23)	$ 0.04	$ 0.01	$ 0.04	$ (1.26)	$ (0.14)	$ (2.99)
Weighted average shares outstanding: [Abstract]
Basic shares									63,567	62,983	62,382
Diluted shares									63,567	62,983	62,382