CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows From Operating Activities
Net income	$ 195,089	$ 201,872
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	48,855	45,073
Foreign currency transaction loss, net	1,245	2,614
Net loss on asset dispositions	1,206	1,524
Stock issued for employee benefit plans	677	924
Stock-based compensation expense	4,164	5,320
Excess tax benefits from stock-based compensation	(2,345)	(2,537)
Deferred income taxes	(6,239)	(2,647)
Changes in assets and liabilities:
Receivables	27,090	(91,265)
Inventories	(41,274)	(42,116)
Accounts payable and accrued liabilities	(19,709)	105,836
Other assets and liabilities, net	(6,373)	(13,082)
Net cash provided by operating activities	202,386	211,516
Cash Flows From Investing Activities
Capital expenditures	(37,036)	(38,491)
Disposals of property, plant and equipment	8,075	2,439
Net cash paid in business combinations		(2,326)
Net cash used in investing activities	(28,961)	(38,378)
Cash Flows From Financing Activities
Principal payments on short-term borrowings	(6,125)	(15,063)
Proceeds from short-term borrowings	4,144	10,264
Principal payments on long-term debt	(166,501)	(241,084)
Proceeds from long-term debt	205,028	214,585
Proceeds from stock option exercises	6,011	5,658
Excess tax benefits from stock-based compensation	2,345	2,537
Purchase of treasury stock	(115,207)	(132,578)
Cash dividends paid	(7,455)	(7,853)
Acquisition of noncontrolling interests		(18,806)
Other	(1,087)	(1,024)
Net cash used in financing activities	(78,847)	(183,364)
Effect of exchange rate changes on cash and cash equivalents	(904)	(2,859)
Net increase (decrease) in cash and cash equivalents	93,674	(13,085)
Cash and cash equivalents, beginning of year	155,259	157,029
Cash and cash equivalents, end of period	$ 248,933	$ 143,944