Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 395,095	$ 382,552
Receivables, net	300,864	288,543
Inventories, net	215,282	184,174
Deferred income taxes	19,885	17,174
Other current assets	28,456	21,619
Current assets of discontinued operations		60,484
Total current assets	959,582	954,546
Property, plant and equipment, less accumulated depreciation	307,048	280,113
Goodwill	778,708	336,591
Intangible assets, less accumulated amortization	428,273	139,515
Deferred income taxes	46,970	13,523
Other long-lived assets	64,002	63,832
Total assets	2,584,583	1,788,120
Current liabilities:
Accounts payable	183,672	214,507
Accrued liabilities	166,272	150,731
Current maturities of long-term debt	15,678
Current liabilities of discontinued operations	86,860	16,328
Total current liabilities	452,482	381,566
Long-term debt	1,135,527	550,926
Postretirement benefits	144,320	131,237
Other long-term liabilities	40,394	29,842
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; 44,168 and 45,825 shares outstanding at 2012 and 2011, respectively	503	503
Additional paid-in capital	598,180	601,484
Retained earnings	461,756	276,363
Accumulated other comprehensive loss	(30,565)	(22,709)
Treasury stock, at cost-6,167 and 4,510 shares at 2012 and 2011, respectively	(218,014)	(161,092)
Total stockholders' equity	811,860	694,549
Total liabilities and stockholders' equity	$ 2,584,583	$ 1,788,120