Supplemental Guarantor Condensed Financial Information - Consolidated Balance Sheets (Details) (USD $) In Thousands, unless otherwise specified	Sep. 26, 2014	Dec. 31, 2013	Sep. 27, 2013	Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Subsidiary ownership percentage	100.00%
ASSETS
Cash and cash equivalents	$ 3,235	$ 8,977	$ 9,460	$ 10,024
Accounts receivable, less allowance for doubtful accounts	111,167	73,996
Inventories, net	120,178	89,760
Income taxes receivable	542	982
Deferred income taxes	575	580
Other current assets	8,120	7,008
Total current assets	243,817	181,303
Property, plant and equipment, net	116,351	130,114
Amounts due from affiliates	0	0
Goodwill	195,342	204,053
Customer relationships, net	29,942	40,631
Other intangible assets, net	6,599	7,073
Investments in consolidated subsidiaries	0	0
Deferred income taxes	419	87
Other assets	6,464	8,712
Total assets	598,934	571,973
LIABILITIES AND SHAREHOLDERS’ (DEFICIT) EQUITY
Accounts payable	94,686	57,262
Accrued expenses and other current liabilities	30,558	26,366
Accrued interest payable	21,770	9,020
Current portion of long-term debt	8,253	0
Deferred income taxes	559	605
Total current liabilities	155,826	93,253
Long-term debt	540,812	535,396
Amounts due to affiliates	0	0
Deferred income taxes	18,159	18,980
Other liabilities	31,310	32,907
Total liabilities	746,107	680,536
Shareholders’ (deficit) equity:
Common stock	195	195
Additional paid-in capital	724,443	724,071
Accumulated loss	(882,544)	(843,750)
Accumulated other comprehensive income	10,733	10,921
Total shareholders’ (deficit) equity	(147,173)	(108,563)
Total liabilities and shareholders’ (deficit) equity	598,934	571,973
Parent
ASSETS
Cash and cash equivalents	0	0	0	0
Accounts receivable, less 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	(141,507)	(103,217)
Deferred income taxes	0	0
Other assets	0	0
Total assets	(141,507)	(103,217)
LIABILITIES AND SHAREHOLDERS’ (DEFICIT) EQUITY
Accounts payable	0	0
Accrued expenses and other current liabilities	41	14
Accrued interest payable	0	0
Current portion of long-term debt	0
Deferred income taxes	0	0
Total current liabilities	41	14
Long-term debt	0	0
Amounts due to affiliates	5,625	5,332
Deferred income taxes	0	0
Other liabilities	0	0
Total liabilities	5,666	5,346
Shareholders’ (deficit) equity:
Common stock	195	195
Additional paid-in capital	724,443	724,071
Accumulated loss	(882,544)	(843,750)
Accumulated other comprehensive income	10,733	10,921
Total shareholders’ (deficit) equity	(147,173)	(108,563)
Total liabilities and shareholders’ (deficit) equity	(141,507)	(103,217)
Issuer
ASSETS
Cash and cash equivalents	907	1,700	4,443	1,574
Accounts receivable, less allowance for doubtful accounts	69,856	35,012
Inventories, net	92,459	62,270
Income taxes receivable	542	341
Deferred income taxes	556	559
Other current assets	5,603	5,462
Total current assets	169,923	105,344
Property, plant and equipment, net	55,054	62,185
Amounts due from affiliates	207,556	229,101
Goodwill	81,359	81,359
Customer relationships, net	18,776	24,626
Other intangible assets, net	6,599	7,073
Investments in consolidated subsidiaries	(2,243)	2,407
Deferred income taxes	0	0
Other assets	2,765	4,185
Total assets	539,789	516,280
LIABILITIES AND SHAREHOLDERS’ (DEFICIT) EQUITY
Accounts payable	71,145	30,312
Accrued expenses and other current liabilities	19,289	16,133
Accrued interest payable	21,736	8,973
Current portion of long-term debt	0
Deferred income taxes	0	0
Total current liabilities	112,170	55,418
Long-term debt	540,812	535,396
Amounts due to affiliates	11,403	12,086
Deferred income taxes	10,450	9,561
Other liabilities	6,461	7,036
Total liabilities	681,296	619,497
Shareholders’ (deficit) equity:
Common stock	0	0
Additional paid-in capital	661,550	661,180
Accumulated loss	(813,790)	(775,318)
Accumulated other comprehensive income	10,733	10,921
Total shareholders’ (deficit) equity	(141,507)	(103,217)
Total liabilities and shareholders’ (deficit) equity	539,789	516,280
Non-Guarantor
ASSETS
Cash and cash equivalents	2,328	7,277	5,017	8,450
Accounts receivable, less allowance for doubtful accounts	41,311	38,984
Inventories, net	27,719	27,490
Income taxes receivable	0	641
Deferred income taxes	19	21
Other current assets	2,517	1,546
Total current assets	73,894	75,959
Property, plant and equipment, net	61,297	67,929
Amounts due from affiliates	18,594	18,828
Goodwill	113,983	122,694
Customer relationships, net	11,166	16,005
Other intangible assets, net	0	0
Investments in consolidated subsidiaries	0	0
Deferred income taxes	419	87
Other assets	3,699	4,527
Total assets	283,052	306,029
LIABILITIES AND SHAREHOLDERS’ (DEFICIT) EQUITY
Accounts payable	23,541	26,950
Accrued expenses and other current liabilities	11,228	10,219
Accrued interest payable	34	47
Current portion of long-term debt	8,253
Deferred income taxes	559	605
Total current liabilities	43,615	37,821
Long-term debt	0	0
Amounts due to affiliates	209,122	230,511
Deferred income taxes	7,709	9,419
Other liabilities	24,849	25,871
Total liabilities	285,295	303,622
Shareholders’ (deficit) equity:
Common stock	21	21
Additional paid-in capital	199,452	199,452
Accumulated loss	(214,697)	(210,242)
Accumulated other comprehensive income	12,981	13,176
Total shareholders’ (deficit) equity	(2,243)	2,407
Total liabilities and shareholders’ (deficit) equity	283,052	306,029
Eliminations
ASSETS
Cash and cash equivalents	0	0	0	0
Accounts receivable, less 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	(226,150)	(247,929)
Goodwill	0	0
Customer relationships, net	0	0
Other intangible assets, net	0	0
Investments in consolidated subsidiaries	143,750	100,810
Deferred income taxes	0	0
Other assets	0	0
Total assets	(82,400)	(147,119)
LIABILITIES AND SHAREHOLDERS’ (DEFICIT) EQUITY
Accounts payable	0	0
Accrued expenses and other current liabilities	0	0
Accrued interest payable	0	0
Current portion of long-term debt	0
Deferred income taxes	0	0
Total current liabilities	0	0
Long-term debt	0	0
Amounts due to affiliates	(226,150)	(247,929)
Deferred income taxes	0	0
Other liabilities	0	0
Total liabilities	(226,150)	(247,929)
Shareholders’ (deficit) equity:
Common stock	(21)	(21)
Additional paid-in capital	(861,002)	(860,632)
Accumulated loss	1,028,487	985,560
Accumulated other comprehensive income	(23,714)	(24,097)
Total shareholders’ (deficit) equity	143,750	100,810
Total liabilities and shareholders’ (deficit) equity	$ (82,400)	$ (147,119)