Condensed Consolidated Balance Sheets (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 195,860	$ 245,089
Accounts receivable, net	404,418	349,250
Current insurance receivable - asbestos	16,345	16,345
Inventories, net:
Finished goods	113,375	105,442
Finished parts and subassemblies	36,350	35,100
Work in process	75,954	74,608
Raw materials	142,816	145,539
Inventories, net	368,495	360,689
Current deferred tax asset	48,578	46,664
Other current assets	15,514	14,195
Total current assets	1,049,210	1,032,232
Property, plant and equipment:
Cost	815,619	802,057
Less: accumulated depreciation	531,330	517,911
Property, plant and equipment, net	284,289	284,146
Long-term insurance receivable - asbestos	204,929	208,952
Long-term deferred tax assets	254,104	265,849
Other assets	87,692	85,301
Intangible assets, net	143,472	146,227
Goodwill	826,717	820,824
Total assets	2,850,413	2,843,531
Current liabilities:
Short-term borrowings	794	1,112
Accounts payable	184,319	194,158
Current asbestos liability	100,943	100,943
Accrued liabilities	187,006	226,717
U.S. and foreign taxes on income	14,745	10,165
Total current liabilities	487,807	533,095
Long-term debt	398,958	398,914
Accrued pension and postretirement benefits	180,770	178,382
Long-term deferred tax liability	42,664	41,668
Long-term asbestos liability	770,443	792,701
Other liabilities	73,915	76,715
Total liabilities	1,954,557	2,021,475
Commitments and Contingencies (Note 8)
Equity:
Preferred shares, par value $.01; 5,000,000 shares authorized	0	0
Common stock, par value $1.00; 200,000,000 shares authorized, 72,426,139 shares issued	72,426	72,426
Capital surplus	190,790	189,294
Retained earnings	1,132,524	1,095,953
Accumulated other comprehensive loss	(70,721)	(93,512)
Treasury stock	(437,826)	(450,608)
Total shareholders' equity	887,193	813,553
Noncontrolling interest	8,663	8,503
Total equity	895,856	822,056
Total liabilities and equity	$ 2,850,413	$ 2,843,531
Common stock issued	72,426,139	72,426,139
Less: Common stock held in treasury	(14,327,320)	(14,811,885)
Common stock outstanding	58,098,819	57,614,254