Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 3,861	$ 5,532
Accounts receivable, net	197,778	234,187
Inventories, net	111,110	101,950
Intercompany receivable	0	0
Notes receivable from subsidiaries	0	0
Prepaid and other current assets	33,805	41,576
Total current assets	346,554	383,245
Investment in subsidiaries	0	0
Property, plant and equipment, net	205,896	207,679
Goodwill	175,439	175,209
Other intangible assets, net	123,490	124,831
Other assets, net	21,827	21,995
Total assets	873,206	912,959
Current liabilities:
Current maturities of long-term debt	9,400	31,727
Accounts payable	150,427	175,896
Accrued compensation and related liabilities	23,878	24,684
Other current liabilities	60,557	82,899
Intercompany payable	0	0
Notes payable to issuer	0	0
Total current liabilities	244,262	315,206
Long-term debt	1,025,260	986,939
Other liabilities	199,247	199,971
Shareholders’ (deficit) equity	(595,563)	(589,157)
Total liabilities and shareholders’ deficit	873,206	912,959
Parent Company [Member]
Current assets:
Cash and cash equivalents	0	0
Accounts receivable, net	0	0
Inventories, net	0	0
Intercompany receivable	0	0
Notes receivable from subsidiaries	0	0
Prepaid and other current assets	0	0
Total current assets	0	0
Investment in subsidiaries	(595,563)	(589,157)
Property, plant and equipment, net	0	0
Goodwill	0	0
Other intangible assets, net	0	0
Other assets, net	0	0
Total assets	(595,563)	(589,157)
Current liabilities:
Current maturities of long-term debt	0	0
Accounts payable	0	0
Accrued compensation and related liabilities	0	0
Other current liabilities	0	0
Intercompany payable	0	0
Notes payable to issuer	0	0
Total current liabilities	0	0
Long-term debt	0	0
Other liabilities	0	0
Shareholders’ (deficit) equity	(595,563)	(589,157)
Total liabilities and shareholders’ deficit	(595,563)	(589,157)
Subsidiary Issuer [Member]
Current assets:
Cash and cash equivalents	3,489	4,678
Accounts receivable, net	106,370	131,770
Inventories, net	65,253	62,179
Intercompany receivable	0	0
Notes receivable from subsidiaries	36,938	36,938
Prepaid and other current assets	30,352	35,659
Total current assets	242,402	271,224
Investment in subsidiaries	2,135,731	2,112,403
Property, plant and equipment, net	107,745	108,395
Goodwill	39,803	49,170
Other intangible assets, net	9,435	9,770
Other assets, net	18,846	18,317
Total assets	2,553,962	2,569,279
Current liabilities:
Current maturities of long-term debt	7,382	30,709
Accounts payable	97,250	114,533
Accrued compensation and related liabilities	19,784	19,245
Other current liabilities	47,302	70,118
Intercompany payable	1,797,384	1,783,390
Notes payable to issuer	0	0
Total current liabilities	1,969,102	2,017,995
Long-term debt	1,023,346	984,833
Other liabilities	157,077	155,608
Shareholders’ (deficit) equity	(595,563)	(589,157)
Total liabilities and shareholders’ deficit	2,553,962	2,569,279
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	65	0
Accounts receivable, net	91,408	102,417
Inventories, net	45,857	39,771
Intercompany receivable	1,797,462	1,783,858
Notes receivable from subsidiaries	3,245	3,245
Prepaid and other current assets	2,250	4,789
Total current assets	1,940,287	1,934,080
Investment in subsidiaries	5,052	4,173
Property, plant and equipment, net	97,045	98,255
Goodwill	130,548	121,181
Other intangible assets, net	113,981	114,914
Other assets, net	2,375	3,100
Total assets	2,289,288	2,275,703
Current liabilities:
Current maturities of long-term debt	2,018	1,018
Accounts payable	53,032	61,098
Accrued compensation and related liabilities	3,731	4,699
Other current liabilities	12,675	11,962
Intercompany payable	0	0
Notes payable to issuer	36,938	36,938
Total current liabilities	108,394	115,715
Long-term debt	1,914	2,106
Other liabilities	43,249	45,479
Shareholders’ (deficit) equity	2,135,731	2,112,403
Total liabilities and shareholders’ deficit	2,289,288	2,275,703
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	307	854
Accounts receivable, net	0	0
Inventories, net	0	0
Intercompany receivable	0	0
Notes receivable from subsidiaries	0	0
Prepaid and other current assets	1,203	1,128
Total current assets	1,510	1,982
Investment in subsidiaries	7,829	7,829
Property, plant and equipment, net	1,106	1,029
Goodwill	5,088	4,858
Other intangible assets, net	74	147
Other assets, net	1,685	1,694
Total assets	17,292	17,539
Current liabilities:
Current maturities of long-term debt	0	0
Accounts payable	145	265
Accrued compensation and related liabilities	363	740
Other current liabilities	580	819
Intercompany payable	78	468
Notes payable to issuer	3,245	3,245
Total current liabilities	4,411	5,537
Long-term debt	0	0
Other liabilities	0	0
Shareholders’ (deficit) equity	12,881	12,002
Total liabilities and shareholders’ deficit	17,292	17,539
Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0
Accounts receivable, net	0	0
Inventories, net	0	0
Intercompany receivable	(1,797,462)	(1,783,858)
Notes receivable from subsidiaries	(40,183)	(40,183)
Prepaid and other current assets	0	0
Total current assets	(1,837,645)	(1,824,041)
Investment in subsidiaries	(1,553,049)	(1,535,248)
Property, plant and equipment, net	0	0
Goodwill	0	0
Other intangible assets, net	0	0
Other assets, net	(1,079)	(1,116)
Total assets	(3,391,773)	(3,360,405)
Current liabilities:
Current maturities of long-term debt	0	0
Accounts payable	0	0
Accrued compensation and related liabilities	0	0
Other current liabilities	0	0
Intercompany payable	(1,797,462)	(1,783,858)
Notes payable to issuer	(40,183)	(40,183)
Total current liabilities	(1,837,645)	(1,824,041)
Long-term debt	0	0
Other liabilities	(1,079)	(1,116)
Shareholders’ (deficit) equity	(1,553,049)	(1,535,248)
Total liabilities and shareholders’ deficit	$ (3,391,773)	$ (3,360,405)