Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 01, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 370,017	$ 382,716
Receivables, net	289,915	299,070
Inventories, net	200,900	202,143
Deferred income taxes	20,123	19,660
Other current assets	20,781	21,832
Total current assets	901,736	925,421
Property, plant and equipment, less accumulated depreciation	290,257	286,933
Goodwill	349,552	348,032
Intangible assets, less accumulated amortization	149,419	151,683
Deferred income taxes	9,816	12,219
Other long-lived assets	66,946	63,832
Total assets	1,767,726	1,788,120
Current liabilities:
Accounts payable	222,725	227,571
Accrued liabilities	123,732	153,995
Total current liabilities	346,457	381,566
Long-term debt	550,295	550,926
Postretirement benefits	133,948	131,237
Other long-term liabilities	29,138	29,842
Stockholders' equity:
Preferred stock
Common stock	503	503
Additional paid-in capital	593,282	601,484
Retained earnings	298,321	276,363
Accumulated other comprehensive loss	(12,083)	(22,709)
Treasury stock	(172,135)	(161,092)
Total stockholders' equity	707,888	694,549
Total liabilities and stockholders' equity	$ 1,767,726	$ 1,788,120