Interim Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net earnings	$ 140,608	$ 132,073
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	16,658	16,874
Amortization	15,162	14,377
Deferred tax benefit	(2,681)	(3,442)
Excess tax benefits from share-based payment arrangements	(1,278)	(9,569)
Share-based compensation	6,981	6,503
Other	89	74
Increase (decrease) in cash resulting from changes in:
Trade accounts receivable, net	21,764	39,967
Inventories	(18,659)	(13,733)
Other current assets	(959)	1,990
Trade accounts payable	(7,593)	(5,458)
Taxes payable	7,836	(19,250)
Accruals and other	(14,143)	(9,429)
Net cash provided by operating activities	163,785	150,977
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	127	296
Purchase of property, plant and equipment	(35,923)	(37,120)
Acquisitions	(300)	(3,255)
Payments for (Proceeds from) Derivative Instrument, Investing Activities	(12,811)	(81)
Net cash used in investing activities	(48,907)	(40,160)
Cash flows from financing activities:
Proceeds from borrowings	493,450	310,018
Repayments of borrowings	(313,923)	(256,611)
Proceeds from stock option exercises	17,738	9,032
Repurchases of common stock	(247,473)	(183,978)
Excess tax benefits from share - based payment arrangements	1,278	9,569
Payments of Debt Issuance Costs	(432)	0
Payments for Previous Acquisition	(422)	0
Net cash used in financing activities	(49,784)	(111,970)
Effect of exchange rate changes on cash and cash equivalents	(1,048)	291
Net (decrease) increase in cash and cash equivalents	64,046	(862)
Cash and cash equivalents:
Beginning of period	85,263	111,874
End of period	$ 149,309	$ 111,012