CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH PROVIDED BY OPERATING ACTIVITIES:
Net earnings	$ 1,125	$ 47,910
Income items not affecting cash:
Depreciation and amortization	13,939	12,489
Deferred income taxes	(227)	96
Stock-based compensation arrangements	6,088	4,757
Other non-cash items	5,807	(3,303)
Changes in operating assets and liabilities:
Decrease in accounts receivable, net	28,845	35,621
Increase in inventories	(2,090)	(27,000)
(Increase) decrease in prepaid expenses and other current assets	(3,675)	4,966
(Increase) decrease in other assets	(4,542)	364
(Decrease) increase in accounts payable	(33,669)	9,808
Increase in deferred revenue	1,354	11
Decrease in accrued payroll and other liabilities	(22,905)	(14,538)
Increase in accrued income taxes	56,147	1,802
(Decrease) increase in pension and other long-term liabilities	(1,320)	1,944
Cash provided by operating activities	44,877	74,927
CASH USED BY INVESTING ACTIVITIES:
Additions to property and equipment, net	(9,992)	(13,169)
Proceeds on sale of property and equipment	4,875	30
Cash used by investing activities	(5,117)	(13,139)
CASH USED BY FINANCING ACTIVITIES:
Repayments of long-term debt, net	(3,750)	(3,750)
Dividends paid	(16,507)	(15,377)
Proceeds from shares issued pursuant to stock-based compensation plans	3,989	4,414
Excess tax benefit of stock options exercised	1,041	779
Other financing activities	3	(7)
Cash used by financing activities	(15,224)	(13,941)
Effect of exchange rate changes on cash	13,292	(31,441)
Net increase in cash and cash equivalents	37,828	16,406
Cash and cash equivalents, beginning of period	472,785	531,374
Cash and cash equivalents, end of period	$ 510,613	$ 547,780