Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash Flows From Operating Activities
Net income	$ 201,872	$ 117,025
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,073	44,801
Foreign currency transaction loss, net	2,614	1,132
Net loss on asset dispositions	1,524	996
Stock issued for employee benefit plans	924	2,780
Stock-based compensation expense	5,320	4,125
Excess tax benefits from stock-based compensation	(2,537)	(2,385)
Deferred income taxes	(2,647)	(6,409)
Changes in assets and liabilities:
Receivables	(91,265)	(40,368)
Inventories	(42,116)	(10,044)
Accounts payable and accrued liabilities	105,836	36,998
Other assets and liabilities, net	(13,082)	4,516
Net cash provided by operating activities	211,516	153,167
Cash Flows From Investing Activities
Capital expenditures	(38,491)	(19,744)
Disposals of property, plant and equipment	2,439	1,477
Net cash paid in business combinations	(2,326)	(11,810)
Net cash used in investing activities	(38,378)	(30,077)
Cash Flows From Financing Activities
Principal payments on short-term borrowings	(15,063)	(22,613)
Proceeds from short-term borrowings	10,264	19,369
Principal payments on long-term debt	(241,084)	(61,488)
Proceeds from long-term debt	214,585	8,025
Proceeds from stock option exercises	5,658	15,974
Excess tax benefits from stock-based compensation	2,537	2,385
Purchase of treasury stock	(132,578)	(17,942)
Cash dividends paid	(7,853)	(7,866)
Purchase of shares from noncontrolling interests	(18,806)
Other	(1,024)	(993)
Net cash used in financing activities	(183,364)	(65,149)
Effect of exchange rate changes on cash and cash equivalents	(2,859)	(1,081)
Net (decrease) increase in cash and cash equivalents	(13,085)	56,860
Cash and cash equivalents, beginning of year	157,029	109,736
Cash and cash equivalents, end of period	$ 143,944	$ 166,596