Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 382,716	$ 358,653
Receivables, net	299,070	298,266
Inventories, net	202,143	175,659
Deferred income taxes	19,660	9,473
Other current assets	21,832	18,804
Total current assets	925,421	860,855
Property, plant and equipment, less accumulated depreciation	286,933	278,866
Goodwill	348,032	322,556
Intangible assets, less accumulated amortization	151,683	143,820
Deferred income taxes	12,219	27,565
Other long-lived assets	63,832	62,822
Total assets	1,788,120	1,696,484
Current liabilities:
Accounts payable	227,571	212,084
Accrued liabilities	153,995	145,840
Total current liabilities	381,566	357,924
Long-term debt	550,926	551,155
Postretirement benefits	131,237	112,426
Other long-term liabilities	29,842	36,464
Stockholders' equity:
Preferred stock, par value $0.01 per share - 2,000 shares authorized; no shares outstanding
Common stock, par value $0.01 per share - 200,000 shares authorized; 50,335 shares issued; 45,825 and 47,045 shares outstanding at 2011 and 2010, respectively	503	503
Additional paid-in capital	601,484	595,519
Retained earnings	276,363	171,568
Accumulated other comprehensive loss	(22,709)	(8,919)
Treasury stock, at cost - 4,510 and 3,290 shares at 2011 and 2010, respectively	(161,092)	(120,156)
Total stockholders' equity	694,549	638,515
Total liabilities and stockholders' equity	$ 1,788,120	$ 1,696,484