Interim Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net Income (Loss) Attributable to Parent	$ 52,544	$ 52,327
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	8,881	7,775
Amortization	5,122	5,199
Deferred tax benefit	(3,354)	(2,061)
Excess tax benefits from share-based payment arrangements	(256)	(276)
Share-based compensation	2,805	3,303
Other	26	882
Increase (decrease) in cash resulting from changes in:
Trade accounts receivable, net	20,650	41,057
Inventories	(5,017)	8,300
Other current assets	1,282	(1,983)
Trade accounts payable	(25,352)	(38,231)
Taxes payable	(11,124)	(693)
Accruals and other	(22,535)	(54,802)
Net cash provided by operating activities	23,672	20,797
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	36	87
Purchase of property, plant and equipment	(19,018)	(18,529)
Net cash used in investing activities	(18,982)	(18,442)
Cash flows from financing activities:
Proceeds from borrowings	141,959	60,879
Repayments of borrowings	(89,334)	(93,878)
Proceeds from stock option exercises	7,069	12,838
Repurchases of common stock	(72,300)	(63,721)
Excess tax benefits from share - based payment arrangements	256	276
Other financing activities	(483)	(164)
Net cash used in financing activities	(12,833)	(83,770)
Effect of exchange rate changes on cash and cash equivalents	(350)	2,006
Net (decrease) increase in cash and cash equivalents	(8,493)	(79,409)
Cash and cash equivalents:
Beginning of period	101,702	235,601
End of period	$ 93,209	$ 156,192