Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash Flows From Operating Activities
Net income	$ 127,595	$ 70,177
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	30,191	30,348
Foreign currency transaction loss (gain), net	2,589	(628)
Net loss on asset dispositions	1,140	629
Stock issued for employee benefit plans	697	1,863
Stock-based compensation expense	4,262	3,022
Excess tax benefits from stock-based compensation	(2,237)	(1,903)
Deferred income taxes	(939)	(4,754)
Changes in assets and liabilities:
Receivables	(61,498)	(36,234)
Inventories	(47,318)	(10,762)
Accounts payable and accrued liabilities	71,059	6,629
Other assets and liabilities, net	(11,037)	9,230
Net cash provided by operating activities	114,504	67,617
Cash Flows From Investing Activities
Capital expenditures	(20,980)	(12,338)
Disposals of property, plant and equipment	1,124	1,154
Net cash paid in business combinations	(2,325)	(8)
Net cash used in investing activities	(22,181)	(11,192)
Cash Flows From Financing Activities
Principal payments on short-term borrowings	(10,527)	(11,804)
Proceeds from short-term borrowings	5,886	12,984
Principal payments on long-term debt	(186,309)	(43,410)
Proceeds from long-term debt	82,575	8,016
Proceeds from stock option exercises	4,918	9,712
Excess tax benefits from stock-based compensation	2,237	1,903
Purchase of treasury stock	(6,169)	(17,864)
Cash dividends paid	(5,237)	(5,246)
Acquisition of noncontrolling interests	(18,806)
Other	(1,024)	(996)
Net cash used in financing activities	(132,456)	(46,705)
Effect of exchange rate changes on cash and cash equivalents	4,451	(8,318)
Net (decrease) increase in cash and cash equivalents	(35,682)	1,402
Cash and cash equivalents, beginning of year	157,029	109,736
Cash and cash equivalents, end of period	$ 121,347	$ 111,138