CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH PROVIDED BY OPERATING ACTIVITIES:
Net earnings	$ 93,984	$ 46,493
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	35,008	27,778
Deferred income taxes	(150)	(372)
Stock-based compensation arrangements	14,854	14,381
Other, net	(19,211)	15,451
Increase (decrease) in cash, net of acquisitions, resulting from changes in:
Accounts receivable	24,525	50,711
Inventories	(26,935)	14,995
Prepaid expenses	(3,108)	(1,634)
Other assets	15,322	(8,613)
Accounts payable	(1,937)	(44,165)
Deferred revenue	(3,304)	(1,052)
Accrued payroll and other liabilities	2,938	(28,918)
Accrued income taxes	(18,642)	48,196
Pension & other long term liabilities	(8,090)	565
Net cash provided by operating activities	105,254	133,816
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property and equipment	(23,653)	(20,876)
Business acquisitions, net of cash acquired	2,885	4,875
Proceeds from sale of assets	0	(42,445)
Payments for (Proceeds from) Other Investing Activities		0
Net cash used by investing activities	(20,768)	(58,446)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds of long-term debt, including current portion	0	525,766
Repayment of long-term debt	(11,250)	(112,500)
Repurchase of common stock	0	(29,747)
Dividends paid	(41,013)	(33,090)
Proceeds from shares issued pursuant to stock-based compensation plans	7,035	6,541
Tax paid for net share exercises and issuance of vested restricted stock units	(9,022)	(5,616)
Other financing activities	(4)	10
Net cash used by financing activities	(54,254)	351,364
Effect of exchange rate changes on cash	12,010	3,660
Net increase in cash and cash equivalents	42,242	430,394
Cash and cash equivalents, beginning of year	361,349	472,785
Cash and cash equivalents, end of year	$ 403,591	$ 903,179