Condensed Consolidating Financial Information Condensed Consolidating Statement of Operations and Comprehensive Income (Loss) (Details) (USD $) In Thousands, 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
Condensed Financial Statements, Captions [Line Items]
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
Intercompany interest expense (income)									0	0	0
Loss (gain) on early extinguishment of debt, net									12,487	(4,011)	9,592
Other (income) expense, net									(1,249)	9,074	2,327
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries									(13,797)	8,449	(250,900)
Income tax expense (benefit)									60,067	9,477	(53,202)
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries									(73,864)	(1,028)	(197,698)
Equity in income of unconsolidated subsidiaries									0	0	0
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]
Other comprehensive income (loss) of unconsolidated subsidiaries									0	0	0
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)
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales									0	0	0
Cost of sales									0	0	0
Selling, general and administrative expenses									0	0	0
Amortization of intangible assets									0	0	0
Restructuring, impairment and other charges									0	0	0
Operating income (loss)									0	0	0
Gain on bargain purchase									0	0
Interest expense, net									0	0	0
Intercompany interest expense (income)									0	0	0
Loss (gain) on early extinguishment of debt, net									0	0	0
Other (income) expense, net									0	0	0
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries									0	0	0
Income tax expense (benefit)									0	0	0
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries									0	0	0
Equity in income of unconsolidated subsidiaries									(79,887)	(8,565)	(186,377)
Loss from continuing operations									(79,887)	(8,565)	(186,377)
(Loss) income from discontinued operations, net of taxes									0	0	0
Net loss									(79,887)	(8,565)	(186,377)
Comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries									(7,321)	(39,597)	9,993
Pension liability adjustment, net of taxes									0	0	0
Unrealized gain on cash flow hedges, net of taxes										0	0
Reclassifications of losses related to interest rate swaps into earnings, net of taxes										0	0
Currency translation adjustment									0	0	0
Comprehensive loss									(87,208)	(48,162)	(176,384)
Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales									710,943	726,420	681,636
Cost of sales									593,043	595,529	570,082
Selling, general and administrative expenses									102,308	118,807	106,469
Amortization of intangible assets									582	426	421
Restructuring, impairment and other charges									5,917	8,773	25,415
Operating income (loss)									9,093	2,885	(20,751)
Gain on bargain purchase									0	(11,720)
Interest expense, net									114,164	115,307	119,965
Intercompany interest expense (income)									(1,476)	(1,180)	(1,116)
Loss (gain) on early extinguishment of debt, net									12,487	(4,011)	9,592
Other (income) expense, net									(1,125)	9,832	1,137
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries									(114,957)	(105,343)	(150,329)
Income tax expense (benefit)									35,280	16,226	(26,254)
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries									(150,237)	(121,569)	(124,075)
Equity in income of unconsolidated subsidiaries									68,896	111,454	(67,754)
Loss from continuing operations									(81,341)	(10,115)	(191,829)
(Loss) income from discontinued operations, net of taxes									1,454	1,550	5,452
Net loss									(79,887)	(8,565)	(186,377)
Comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries									(64)	(4,260)	25,763
Pension liability adjustment, net of taxes									(7,257)	(37,130)	(25,460)
Unrealized gain on cash flow hedges, net of taxes										0	8,449
Reclassifications of losses related to interest rate swaps into earnings, net of taxes										1,793	1,241
Currency translation adjustment									0	0	0
Comprehensive loss									(87,208)	(48,162)	(176,384)
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales									1,071,396	1,164,013	1,000,555
Cost of sales									854,652	935,360	797,747
Selling, general and administrative expenses									83,716	97,247	95,840
Amortization of intangible assets									9,179	9,344	9,949
Restructuring, impairment and other charges									21,087	9,010	200,735
Operating income (loss)									102,762	113,052	(103,716)
Gain on bargain purchase									0	0
Interest expense, net									607	712	1,161
Intercompany interest expense (income)									1,404	975	990
Loss (gain) on early extinguishment of debt, net									0	0	0
Other (income) expense, net									46	378	923
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries									100,705	110,987	(106,790)
Income tax expense (benefit)									25,193	(8,396)	(27,341)
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries									75,512	119,383	(79,449)
Equity in income of unconsolidated subsidiaries									861	1,158	5,826
Loss from continuing operations									76,373	120,541	(73,623)
(Loss) income from discontinued operations, net of taxes									(7,477)	(9,087)	5,869
Net loss									68,896	111,454	(67,754)
Comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries									(589)	(5,006)	1,152
Pension liability adjustment, net of taxes									(729)	0	22,762
Unrealized gain on cash flow hedges, net of taxes										0	0
Reclassifications of losses related to interest rate swaps into earnings, net of taxes										0	0
Currency translation adjustment									1,254	746	1,849
Comprehensive loss									68,832	107,194	(41,991)
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales									15,243	18,754	26,338
Cost of sales									13,519	15,284	17,873
Selling, general and administrative expenses									765	1,082	1,674
Amortization of intangible assets									522	536	268
Restructuring, impairment and other charges									96	29	0
Operating income (loss)									341	1,823	6,523
Gain on bargain purchase									0	0
Interest expense, net									(16)	(51)	(89)
Intercompany interest expense (income)									72	205	126
Loss (gain) on early extinguishment of debt, net									0	0	0
Other (income) expense, net									(170)	(1,136)	267
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries									455	2,805	6,219
Income tax expense (benefit)									(406)	1,647	393
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries									861	1,158	5,826
Equity in income of unconsolidated subsidiaries									0	0	0
Loss from continuing operations									861	1,158	5,826
(Loss) income from discontinued operations, net of taxes									0	0	0
Net loss									861	1,158	5,826
Comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries									0	0	0
Pension liability adjustment, net of taxes									0	0	0
Unrealized gain on cash flow hedges, net of taxes										0	0
Reclassifications of losses related to interest rate swaps into earnings, net of taxes										0	0
Currency translation adjustment									(589)	(5,006)	1,152
Comprehensive loss									272	(3,848)	6,978
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales									0	0	0
Cost of sales									0	0	0
Selling, general and administrative expenses									0	0	0
Amortization of intangible assets									0	0	0
Restructuring, impairment and other charges									0	0	0
Operating income (loss)									0	0	0
Gain on bargain purchase									0	0
Interest expense, net									0	0	0
Intercompany interest expense (income)									0	0	0
Loss (gain) on early extinguishment of debt, net									0	0	0
Other (income) expense, net									0	0	0
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries									0	0	0
Income tax expense (benefit)									0	0	0
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries									0	0	0
Equity in income of unconsolidated subsidiaries									10,130	(104,047)	248,305
Loss from continuing operations									10,130	(104,047)	248,305
(Loss) income from discontinued operations, net of taxes									0	0	0
Net loss									10,130	(104,047)	248,305
Comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries									7,974	48,863	(36,908)
Pension liability adjustment, net of taxes									0	0	0
Unrealized gain on cash flow hedges, net of taxes										0	0
Reclassifications of losses related to interest rate swaps into earnings, net of taxes										0	0
Currency translation adjustment									0	0	0
Comprehensive loss									$ 18,104	$ (55,184)	$ 211,397