Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash Flows from Operating Activities:
Net income	$ 77,999	$ 84,535
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,677	22,472
Change in deferred income taxes	3,956	10,283
Other	76	(310)
Changes in operating assets and liabilities
Accounts receivable, net	(93,225)	(72,991)
Inventories	22,638	(5,236)
Other current assets	(7,816)	(6,057)
Accounts payable	15,274	19,205
Accrued liabilities	13,201	3,400
Other	(506)	(1,976)
Net cash provided by operating activities	52,274	53,325
Cash Flows from Investing Activities:
Purchases of property, plant and equipment	(5,334)	(5,518)
Proceeds from sales of property, plant and equipment	49	274
Advances to related persons	(28,995)	(2,328)
Net cash used in investing activities	(34,280)	(7,572)
Cash Flows from Financing Activities:
Net repayments on notes payable and bank overdrafts	0	(10,487)
Net repayments on revolving credit facility	0	(40,026)
Repayments of long-term debt	(103)	(112)
Distributions to noncontrolling interest	(2,974)	(3,524)
Net cash used in financing activities	(3,077)	(54,149)
Effect of Exchange Rate Changes on Cash	2,050	3,304
Cash and Cash Equivalents:
Net increase during the period	16,967	(5,092)
Beginning balance	72,560	44,039
Ending balance	89,527	38,947
Supplemental Cash Flow Disclosures:
Interest paid	4,578	5,644
Income taxes paid	$ 9,380	$ 8,174