CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current Assets:
Cash and cash equivalents	$ 194,387	$ 68,119
Receivables, net	556,026	461,632
Inventories, net	320,633	281,103
Deferred tax assets, net	54,275	48,568
Other current assets	41,813	40,605
Total current assets	1,167,134	900,027
Property, plant, and equipment, net	443,555	397,280
Goodwill	759,442	693,572
Other intangible assets, net	261,448	240,197
Deferred tax assets, net	12,137	1,033
Other assets	9,121	9,909
Total assets	2,652,837	2,242,018
Current liabilities:
Current portion of long-term debt and short-term debt	2,502	2,602
Accounts payable	150,281	133,180
Accrued expenses	105,196	99,966
Income taxes payable	4,161	3,111
Deferred revenue	200,268	146,770
Other current liabilities	42,976	42,310
Total current liabilities	505,384	427,939
Long-term debt	583,928	394,042
Deferred tax liabilities, net	24,980	26,815
Accrued pension and other postretirement benefit costs	232,794	166,591
Long-term portion of environmental reserves	19,067	19,091
Other liabilities	57,645	47,437
Total liabilities	1,423,798	1,081,915
Stockholders' Equity
Common stock, $1 par value, 100,000,000 shares authorized at December 31, 2011 and 2010; 48,878,448 and 48,557,638 shares issued at December 31, 2011 and 2010, respectively; outstanding shares were 46,484,723 at December 31, 2011 and 46,133,766 at December 31, 2010	48,879	48,558
Additional paid in capital	143,192	130,093
Retained earnings	1,187,989	1,072,459
Accumulated other comprehensive income (loss)	(65,131)	(2,813)
Stockholders Equity Subtotal	1,314,929	1,248,297
Less: Common treasury stock, at cost (2,393,725 shares at December 31, 2011 and 2,423,872 shares at December 31, 2010)	(85,890)	(88,194)
Total stockholders' equity	1,229,039	1,160,103
Total liabilities and stockholders' equity	$ 2,652,837	$ 2,242,018