CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net earnings	$ 43,966	$ 59,287
Adjustments to arrive at net cash provided by operating activities:
Depreciation and amortization	24,436	23,301
Share-based compensation	4,252	4,803
Net loss on assets	328	8,107
Loss on divestiture of businesses	33,138	0
Deferred income taxes	(4,765)	6,231
Liquidation of foreign entity	0	(3,257)
Changes in operating assets and liabilities	(38,541)	2,373
Net cash provided by operating activities	62,814	100,845
Cash flows from investing activities:
Acquisition of property, plant and equipment	(19,666)	(34,294)
Proceeds from sale of assets	5,305	910
Proceeds from divestiture of businesses	12,457	0
Other investing activity	(132)	(48)
Net cash used in investing activities	(2,036)	(33,432)
Cash flows from financing activities:
Proceeds from additional borrowings	139,820	107,484
Debt payments	(154,282)	(123,067)
Purchase of treasury stock	(26,743)	(21,055)
Dividends paid	(26,553)	(24,266)
Other financing activity	(1,047)	290
Net cash used in financing activities	(68,805)	(60,614)
Effect of exchange rate changes on cash and cash equivalents	8,178	1,397
Net increase in cash and cash equivalents	151	8,196
Cash and cash equivalents at beginning of period	25,865	11,997
Cash and cash equivalents at end of period	$ 26,016	$ 20,193