CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH PROVIDED BY OPERATING ACTIVITIES:
Net earnings	$ 110,758	$ 93,984
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	33,055	35,008
Deferred income taxes	3,189	(150)
Stock-based compensation arrangements	14,400	14,854
Other, net	(6,844)	(19,211)
Increase (decrease) in cash, net of acquisitions, resulting from changes in:
Accounts receivable	49,623	24,525
Inventories	(13,640)	(26,935)
Prepaid expenses	1,645	(3,108)
Other assets	(1,717)	15,322
Accounts payable	(11,093)	(1,937)
Deferred revenue	2,731	(3,304)
Accrued payroll and other liabilities	(11,123)	2,938
Accrued income taxes	(33,078)	(18,642)
Pension and other long-term liabilities	15,438	(8,090)
Net cash provided by operating activities	153,344	105,254
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property and equipment, net	(13,435)	(23,627)
Proceeds from sale of business	25,920	0
Business acquisitions, net of cash acquired	(14,195)	0
Payments for (Proceeds from) Other Investing Activities	(9,500)	2,859
Net cash provided (used) by investing activities	(11,210)	(20,768)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of long-term debt	0	(11,250)
Repurchase of common stock	(99,957)	0
Dividends paid	(44,330)	(41,013)
Proceeds from shares issued pursuant to stock-based compensation plans	16,890	7,035
Payments Related to Tax Withholding for Share-based Compensation	(12,113)	(9,022)
Other financing activities	(11)	(4)
Net cash used by financing activities	(139,521)	(54,254)
Effect of exchange rate changes on cash	(13,761)	12,010
Net (decrease) increase in cash, cash equivalents and restricted cash	(11,148)	42,242
Cash, cash equivalents and restricted cash, beginning of year	519,090	361,349
Cash, cash equivalents and restricted cash, end of period	$ 507,942	$ 403,591