CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net earnings	$ 32,807	$ 38,194
Adjustments to arrive at net cash provided by (used in) operating activities:
Depreciation and amortization	13,672	12,578
Share-based compensation	687	1,254
Net (gain) loss on assets	(41)	70
Deferred income taxes	2,674	(4,346)
Changes in operating assets and liabilities	(26,375)	(66,441)
Net cash provided by (used in) operating activities	23,424	(18,691)
Cash flows from investing activities:
Acquisition of property, plant and equipment	(8,300)	(11,058)
Cash receipts on sold receivables	0	44,406
Proceeds from sale of assets	45	45
Acquisition of new businesses	0	(11,000)
Other investing activity	(301)	789
Net cash (used in) provided by investing activities	(8,556)	23,182
Cash flows from financing activities:
Proceeds from additional borrowings	16,689	92,348
Debt payments	(12,577)	(12,280)
Purchase of treasury stock	0	(72,704)
Dividends paid	(15,218)	(14,274)
Other financing activity	(803)	(2,715)
Net cash used in financing activities	(11,909)	(9,625)
Effect of exchange rate changes on cash and cash equivalents	(964)	6,210
Net increase in cash and cash equivalents	1,995	1,076
Cash and cash equivalents at beginning of period	31,901	29,344
Cash and cash equivalents at end of period	$ 33,896	$ 30,420