Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Thousands	Jul. 01, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 7,098	$ 5,532
Accounts receivable, net	191,714	234,187
Inventories, net	110,609	101,950
Intercompany receivable	0	0
Notes receivable from subsidiaries	0	0
Prepaid and other current assets	39,434	41,576
Total current assets	348,855	383,245
Investment in subsidiaries	0	0
Property, plant and equipment, net	198,927	207,679
Goodwill	175,460	175,209
Other intangible assets, net	122,166	124,831
Other assets, net	23,994	21,995
Total assets	869,402	912,959
Current liabilities:
Current maturities of long-term debt	6,944	31,727
Accounts payable	142,328	175,896
Accrued compensation and related liabilities	20,894	24,684
Other current liabilities	69,289	82,899
Intercompany payable	0	0
Notes payable to issuer	0	0
Total current liabilities	239,455	315,206
Long-term debt	1,032,329	986,939
Other liabilities	193,242	199,971
Shareholders’ (deficit) equity	(595,624)	(589,157)
Total liabilities and shareholders’ deficit	869,402	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	(595,624)	(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	(595,624)	(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	(595,624)	(589,157)
Total liabilities and shareholders’ deficit	(595,624)	(589,157)
Subsidiary Issuer [Member]
Current assets:
Cash and cash equivalents	6,539	4,678
Accounts receivable, net	101,826	131,770
Inventories, net	65,706	62,179
Intercompany receivable	0	0
Notes receivable from subsidiaries	36,938	36,938
Prepaid and other current assets	35,795	35,659
Total current assets	246,804	271,224
Investment in subsidiaries	2,158,193	2,112,403
Property, plant and equipment, net	101,864	108,395
Goodwill	39,801	49,170
Other intangible assets, net	9,287	9,770
Other assets, net	21,083	18,317
Total assets	2,577,032	2,569,279
Current liabilities:
Current maturities of long-term debt	5,028	30,709
Accounts payable	92,277	114,533
Accrued compensation and related liabilities	15,947	19,245
Other current liabilities	57,843	70,118
Intercompany payable	1,820,870	1,783,390
Notes payable to issuer	0	0
Total current liabilities	1,991,965	2,017,995
Long-term debt	1,029,937	984,833
Other liabilities	150,754	155,608
Shareholders’ (deficit) equity	(595,624)	(589,157)
Total liabilities and shareholders’ deficit	2,577,032	2,569,279
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	173	0
Accounts receivable, net	89,888	102,417
Inventories, net	44,903	39,771
Intercompany receivable	1,820,714	1,783,858
Notes receivable from subsidiaries	3,245	3,245
Prepaid and other current assets	2,262	4,789
Total current assets	1,961,185	1,934,080
Investment in subsidiaries	5,494	4,173
Property, plant and equipment, net	95,751	98,255
Goodwill	130,549	121,181
Other intangible assets, net	112,879	114,914
Other assets, net	2,269	3,100
Total assets	2,308,127	2,275,703
Current liabilities:
Current maturities of long-term debt	1,916	1,018
Accounts payable	49,706	61,098
Accrued compensation and related liabilities	4,567	4,699
Other current liabilities	10,852	11,962
Intercompany payable	0	0
Notes payable to issuer	36,938	36,938
Total current liabilities	103,979	115,715
Long-term debt	2,392	2,106
Other liabilities	43,563	45,479
Shareholders’ (deficit) equity	2,158,193	2,112,403
Total liabilities and shareholders’ deficit	2,308,127	2,275,703
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	386	854
Accounts receivable, net	0	0
Inventories, net	0	0
Intercompany receivable	156	0
Notes receivable from subsidiaries	0	0
Prepaid and other current assets	1,377	1,128
Total current assets	1,919	1,982
Investment in subsidiaries	7,829	7,829
Property, plant and equipment, net	1,312	1,029
Goodwill	5,110	4,858
Other intangible assets, net	0	147
Other assets, net	1,717	1,694
Total assets	17,887	17,539
Current liabilities:
Current maturities of long-term debt	0	0
Accounts payable	345	265
Accrued compensation and related liabilities	380	740
Other current liabilities	594	819
Intercompany payable	0	468
Notes payable to issuer	3,245	3,245
Total current liabilities	4,564	5,537
Long-term debt	0	0
Other liabilities	0	0
Shareholders’ (deficit) equity	13,323	12,002
Total liabilities and shareholders’ deficit	17,887	17,539
Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0
Accounts receivable, net	0	0
Inventories, net	0	0
Intercompany receivable	(1,820,870)	(1,783,858)
Notes receivable from subsidiaries	(40,183)	(40,183)
Prepaid and other current assets	0	0
Total current assets	(1,861,053)	(1,824,041)
Investment in subsidiaries	(1,575,892)	(1,535,248)
Property, plant and equipment, net	0	0
Goodwill	0	0
Other intangible assets, net	0	0
Other assets, net	(1,075)	(1,116)
Total assets	(3,438,020)	(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	(1,820,870)	(1,783,858)
Notes payable to issuer	(40,183)	(40,183)
Total current liabilities	(1,861,053)	(1,824,041)
Long-term debt	0	0
Other liabilities	(1,075)	(1,116)
Shareholders’ (deficit) equity	(1,575,892)	(1,535,248)
Total liabilities and shareholders’ deficit	$ (3,438,020)	$ (3,360,405)