Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating activities:
Net income attributable to common shareholders	$ 51,662	$ 48,467
Noncontrolling interest in subsidiaries' earnings (losses)	134	(89)
Net income before allocation to noncontrolling interests	51,796	48,378
Gain on divestiture		(4,258)
Depreciation and amortization	14,674	15,774
Stock-based compensation expense	4,007	3,503
Defined benefit plans and postretirement expense	4,991	2,749
Deferred income taxes	8,544	6,893
Cash used for working capital	(103,503)	(67,250)
Defined benefit plans and postretirement contributions	(1,183)	(4,779)
Environmental payments, net of reimbursements	(2,579)	(4,593)
Payments for asbestos-related fees and costs, net of insurance recoveries	(18,235)	(12,725)
Other	(1,319)	142
Total used for operating activities	(42,807)	(16,166)
Investing activities:
Capital expenditures	(7,165)	(8,138)
Proceeds from disposition of capital assets	172	4,553
Proceeds from divestiture		1,000
Total used for investing activities	(6,993)	(2,585)
Equity:
Dividends paid	(15,090)	(13,474)
Reacquisition of shares on open market		(29,999)
Stock options exercised - net of shares reacquired	8,426	12,552
Excess tax benefit from stock-based compensation	2,947	3,952
Debt:
Net decrease in short-term debt	(318)	(76)
Total used for financing activities	(4,035)	(27,045)
Effect of exchange rates on cash and cash equivalents	4,606	6,017
Decrease in cash and cash equivalents	(49,229)	(39,779)
Cash and cash equivalents at beginning of period	245,089	272,941
Cash and cash equivalents at end of period	195,860	233,162
Detail of cash used for working capital:
Accounts receivable	(50,351)	(48,577)
Inventories	(3,318)	(22,641)
Other current assets	(1,112)	(312)
Accounts payable	(12,306)	14,023
Accrued liabilities	(41,043)	(14,509)
U.S. and foreign taxes on income	4,627	4,766
Total	(103,503)	(67,250)
Supplemental disclosure of cash flow information:
Interest paid	5,980	6,074
Income taxes paid	$ 4,985	$ 7,207