Supplemental Guarantor Information (Details) (USD $) In Thousands	Jul. 03, 2011	Dec. 31, 2010	Jul. 04, 2010	Dec. 31, 2009
Current assets:
Cash and cash equivalents	$ 329,312	$ 358,653	$ 245,615	$ 308,879
Receivables, net	363,373	298,266
Inventories, net	201,930	175,659
Deferred income taxes	9,097	9,473
Other current assets	18,575	18,804
Total current assets	922,287	860,855
Property, plant and equipment, less accumulated depreciation	291,793	278,866
Goodwill	353,849	322,556
Intangible assets, less accumulated amortization	161,257	143,820
Deferred income taxes	22,567	27,565
Other long-lived assets	72,473	62,822
Investment in subsidiaries	0	0
Total assets	1,824,226	1,696,484
Current liabilities:
Accounts payable	239,138	212,084
Accrued liabilities	144,814	145,840
Total current liabilities	383,952	357,924
Long-term debt	550,984	551,155
Postretirement benefits	119,485	112,426
Other long-term liabilities	39,338	36,464
Intercompany accounts	0	0
Total stockholders' equity	730,467	638,515
Total liabilities and stockholders' equity	1,824,226	1,696,484
Issuer [Member]
Current assets:
Cash and cash equivalents	100,925	173,699	96,950	58,855
Receivables, net	129,875	117,303
Inventories, net	105,738	109,127
Deferred income taxes	4,634	5,590
Other current assets	7,132	10,199
Total current assets	348,304	415,918
Property, plant and equipment, less accumulated depreciation	120,296	120,857
Goodwill	220,842	258,094
Intangible assets, less accumulated amortization	67,402	93,695
Deferred income taxes	9,804	9,342
Other long-lived assets	12,042	12,771
Investment in subsidiaries	1,280,746	1,227,959
Total assets	2,059,436	2,138,636
Current liabilities:
Accounts payable	95,638	92,996
Accrued liabilities	59,060	78,013
Total current liabilities	154,698	171,009
Long-term debt	550,984	551,155
Postretirement benefits	32,355	27,949
Other long-term liabilities	21,420	30,047
Intercompany accounts	(36,044)	(249,051)
Total stockholders' equity	1,336,023	1,607,527
Total liabilities and stockholders' equity	2,059,436	2,138,636
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	228,387	184,954	148,665	250,024
Receivables, net	233,498	180,963
Inventories, net	96,192	66,532
Deferred income taxes	4,463	3,883
Other current assets	11,443	8,605
Total current assets	573,983	444,937
Property, plant and equipment, less accumulated depreciation	171,497	158,009
Goodwill	133,007	64,462
Intangible assets, less accumulated amortization	93,855	50,125
Deferred income taxes	12,763	18,223
Other long-lived assets	60,431	50,051
Investment in subsidiaries	0	0
Total assets	1,045,536	785,807
Current liabilities:
Accounts payable	143,500	119,088
Accrued liabilities	85,754	67,827
Total current liabilities	229,254	186,915
Long-term debt	0	0
Postretirement benefits	87,130	84,477
Other long-term liabilities	17,918	6,417
Intercompany accounts	36,044	249,051
Total stockholders' equity	675,190	258,947
Total liabilities and stockholders' equity	1,045,536	785,807
Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0
Receivables, net	0	0
Inventories, net	0	0
Deferred income taxes	0	0
Other current assets	0	0
Total current assets	0	0
Property, plant and equipment, less accumulated depreciation	0	0
Goodwill	0	0
Intangible assets, less accumulated amortization	0	0
Deferred income taxes	0	0
Other long-lived assets	0	0
Investment in subsidiaries	(1,280,746)	(1,227,959)
Total assets	(1,280,746)	(1,227,959)
Current liabilities:
Accounts payable	0	0
Accrued liabilities	0	0
Total current liabilities	0	0
Long-term debt	0	0
Postretirement benefits	0	0
Other long-term liabilities	0	0
Intercompany accounts	0	0
Total stockholders' equity	(1,280,746)	(1,227,959)
Total liabilities and stockholders' equity	$ (1,280,746)	$ (1,227,959)