CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH PROVIDED BY OPERATING ACTIVITIES:
Net earnings	$ 42,571	$ 1,125
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	17,031	13,939
Deferred income taxes	192	(227)
Stock-based compensation arrangements	6,246	6,088
Other, net	(3,742)	5,807
Increase (decrease) in cash, net of acquisitions, resulting from changes in:
Accounts receivable	44,845	28,845
Inventories	(12,789)	(2,090)
Prepaid expenses	(2,437)	(3,675)
Other assets	9,633	(4,542)
Accounts payable	(4,463)	(33,669)
Deferred revenue	(501)	1,354
Accrued payroll and other liabilities	(14,236)	(22,877)
Accrued income taxes	(4,115)	57,188
Pension & other long term liabilities	(3,108)	(1,320)
Net cash provided by operating activities	75,127	45,946
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property and equipment	(13,621)	(9,992)
Proceeds from sale of assets	27	4,875
Net cash used by investing activities	(13,594)	(5,117)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of long-term debt	(7,500)	(3,750)
Dividends paid	(20,456)	(16,507)
Proceeds from shares issued pursuant to stock-based compensation plans	1,002	3,989
Tax paid for net share exercises and issuance of vested restricted stock units	(1,843)	(28)
Other financing activities	(1)	3
Net cash used by financing activities	(28,798)	(16,293)
Effect of exchange rate changes on cash	3,352	13,292
Net increase in cash and cash equivalents	36,087	37,828
Cash and cash equivalents, beginning of year	361,349	472,785
Cash and cash equivalents, end of year	$ 397,436	$ 510,613