CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH PROVIDED BY OPERATING ACTIVITIES:
Net earnings	$ 61,748	$ 39,195
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	16,662	16,446
Stock-based compensation arrangements	8,090	5,931
Deferred income taxes	222	4,574
Other, net	(1,328)	(6,696)
Decrease (Increase) in cash, net of acquisitions, resulting from changes in:
Accounts receivable	(25,771)	28,344
Inventories	(17,472)	(8,760)
Prepaid expenses and other current assets	1,944	1,331
Other assets	3,659	(477)
Accounts payable	26,019	(8,150)
Deferred revenue	(4,531)	317
Accrued payroll and other liabilities	(8,057)	(14,760)
Accrued income taxes	(1,722)	(29,435)
Pension and other long-term liabilities	(3,952)	15,316
Net cash provided by operating activities	55,511	43,176
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property and equipment, net	(9,140)	(7,099)
Proceeds from sale of assets	2,973	0
Proceeds from sale of business	0	25,920
Business acquisitions, net of cash acquired	(579,556)	(7,070)
Other investments	(5,000)	(9,500)
Net cash (used) provided by investing activities	(590,723)	2,251
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from credit facility and long-term debt, including current portion	723,054	0
Repayments of credit facility	375,000	0
Repurchase of common stock	(24,998)	(94,956)
Dividends paid	(23,031)	(22,232)
Proceeds from shares issued pursuant to stock-based compensation plans	9,721	3,497
Payments Related to Tax Withholding for Share-based Compensation	(1,013)	(265)
Other financing activities	(419)	(11)
Net cash provided (used) by financing activities	308,314	(113,967)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(883)	1,588
Net decrease in cash and cash equivalents	(227,781)	(66,952)
Cash, cash equivalents and restricted cash, beginning of year	512,144	519,090
Cash, cash equivalents and restricted cash, end of period	$ 284,363	$ 452,138