Supplemental Guarantor Condensed Financial Information - Consolidated Balance Sheets (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2012	Dec. 30, 2011	Sep. 30, 2011	Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]
Subsidiary Ownership Percentage	100.00%
ASSETS
Cash and cash equivalents	$ 9,790	$ 14,327	$ 16,587	$ 24,902
Accounts receivable, net of allowance for doubtful accounts	103,122	83,234
Inventories, net	100,830	83,396
Income taxes receivable	831	697
Deferred income taxes	2,369	1,906
Other current assets	6,359	4,336
Total current assets	223,301	187,896
Property, plant and equipment, net	142,190	146,549
Amounts due from affiliates	0	0
Goodwill	196,502	196,686
Customer relationships, net	57,943	69,636
Other intangible assets, net	7,643	8,148
Investments in consolidated subsidiaries	0	0
Deferred income taxes	35	6
Other assets	9,109	10,325
Total assets	636,723	619,246
LIABILITIES AND SHAREHOLDERS’ EQUITY (DEFICIT)
Accounts payable	81,119	54,329
Accrued expenses and other current liabilities	31,184	33,425
Accrued interest payable	17,704	8,886
Deferred income taxes	884	891
Total current liabilities	130,891	97,531
Long-term debt	515,420	507,988
Amounts due to affiliates	0	0
Deferred income taxes	20,039	21,501
Other liabilities	46,192	45,519
Total liabilities	712,542	672,539
Shareholders’ equity (deficit):
Common stock	189	185
Additional paid-in capital	721,114	718,837
Accumulated loss	(806,974)	(782,087)
Accumulated other comprehensive income	9,852	9,772
Total shareholders’ equity (deficit)	(75,819)	(53,293)
Total liabilities and shareholders’ equity (deficit)	636,723	619,246
Parent
ASSETS
Cash and cash equivalents	0	0	0	0
Accounts receivable, net of allowance for doubtful accounts	0	0
Inventories, net	0	0
Income taxes receivable	0	0
Deferred income taxes	0	0
Other current assets	0	0
Total current assets	0	0
Property, plant and equipment, net	0	0
Amounts due from affiliates	0	0
Goodwill	0	0
Customer relationships, net	0	0
Other intangible assets, net	0	0
Investments in consolidated subsidiaries	(71,014)	(48,935)
Deferred income taxes	0	0
Other assets	0	0
Total assets	(71,014)	(48,935)
LIABILITIES AND SHAREHOLDERS’ EQUITY (DEFICIT)
Accounts payable	0	0
Accrued expenses and other current liabilities	224	96
Accrued interest payable	0	0
Deferred income taxes	0	0
Total current liabilities	224	96
Long-term debt	0	0
Amounts due to affiliates	4,581	4,262
Deferred income taxes	0	0
Other liabilities	0	0
Total liabilities	4,805	4,358
Shareholders’ equity (deficit):
Common stock	189	185
Additional paid-in capital	721,114	718,837
Accumulated loss	(806,974)	(782,087)
Accumulated other comprehensive income	9,852	9,772
Total shareholders’ equity (deficit)	(75,819)	(53,293)
Total liabilities and shareholders’ equity (deficit)	(71,014)	(48,935)
Issuer
ASSETS
Cash and cash equivalents	303	962	5,402	8,271
Accounts receivable, net of allowance for doubtful accounts	61,889	43,241
Inventories, net	71,569	51,456
Income taxes receivable	429	177
Deferred income taxes	2,171	1,702
Other current assets	4,576	2,688
Total current assets	140,937	100,226
Property, plant and equipment, net	70,989	72,848
Amounts due from affiliates	209,027	232,191
Goodwill	81,182	81,054
Customer relationships, net	35,993	43,110
Other intangible assets, net	7,643	8,148
Investments in consolidated subsidiaries	24,641	30,605
Deferred income taxes	0	0
Other assets	5,742	6,418
Total assets	576,154	574,600
LIABILITIES AND SHAREHOLDERS’ EQUITY (DEFICIT)
Accounts payable	56,198	32,692
Accrued expenses and other current liabilities	17,154	16,623
Accrued interest payable	17,704	8,886
Deferred income taxes	0	0
Total current liabilities	91,056	58,201
Long-term debt	515,420	507,988
Amounts due to affiliates	8,802	27,315
Deferred income taxes	9,236	8,158
Other liabilities	22,654	21,873
Total liabilities	647,168	623,535
Shareholders’ equity (deficit):
Common stock	0	0
Additional paid-in capital	658,215	655,934
Accumulated loss	(739,081)	(714,641)
Accumulated other comprehensive income	9,852	9,772
Total shareholders’ equity (deficit)	(71,014)	(48,935)
Total liabilities and shareholders’ equity (deficit)	576,154	574,600
Non-Guarantor
ASSETS
Cash and cash equivalents	9,487	13,365	11,185	16,631
Accounts receivable, net of allowance for doubtful accounts	41,233	39,993
Inventories, net	29,261	31,940
Income taxes receivable	402	520
Deferred income taxes	198	204
Other current assets	1,783	1,648
Total current assets	82,364	87,670
Property, plant and equipment, net	71,201	73,701
Amounts due from affiliates	24,321	28,360
Goodwill	115,320	115,632
Customer relationships, net	21,950	26,526
Other intangible assets, net	0	0
Investments in consolidated subsidiaries	0	0
Deferred income taxes	35	6
Other assets	3,367	3,907
Total assets	318,558	335,802
LIABILITIES AND SHAREHOLDERS’ EQUITY (DEFICIT)
Accounts payable	24,921	21,637
Accrued expenses and other current liabilities	13,806	16,706
Accrued interest payable	0	0
Deferred income taxes	884	891
Total current liabilities	39,611	39,234
Long-term debt	0	0
Amounts due to affiliates	219,965	228,974
Deferred income taxes	10,803	13,343
Other liabilities	23,538	23,646
Total liabilities	293,917	305,197
Shareholders’ equity (deficit):
Common stock	21	21
Additional paid-in capital	199,452	199,452
Accumulated loss	(188,377)	(182,232)
Accumulated other comprehensive income	13,545	13,364
Total shareholders’ equity (deficit)	24,641	30,605
Total liabilities and shareholders’ equity (deficit)	318,558	335,802
Eliminations
ASSETS
Cash and cash equivalents	0	0	0	0
Accounts receivable, net of allowance for doubtful accounts	0	0
Inventories, net	0	0
Income taxes receivable	0	0
Deferred income taxes	0	0
Other current assets	0	0
Total current assets	0	0
Property, plant and equipment, net	0	0
Amounts due from affiliates	(233,348)	(260,551)
Goodwill	0	0
Customer relationships, net	0	0
Other intangible assets, net	0	0
Investments in consolidated subsidiaries	46,373	18,330
Deferred income taxes	0	0
Other assets	0	0
Total assets	(186,975)	(242,221)
LIABILITIES AND SHAREHOLDERS’ EQUITY (DEFICIT)
Accounts payable	0	0
Accrued expenses and other current liabilities	0	0
Accrued interest payable	0	0
Deferred income taxes	0	0
Total current liabilities	0	0
Long-term debt	0	0
Amounts due to affiliates	(233,348)	(260,551)
Deferred income taxes	0	0
Other liabilities	0	0
Total liabilities	(233,348)	(260,551)
Shareholders’ equity (deficit):
Common stock	(21)	(21)
Additional paid-in capital	(857,667)	(855,386)
Accumulated loss	927,458	896,873
Accumulated other comprehensive income	(23,397)	(23,136)
Total shareholders’ equity (deficit)	46,373	18,330
Total liabilities and shareholders’ equity (deficit)	$ (186,975)	$ (242,221)