CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net earnings	$ 13,192	$ 31,171
Adjustments to arrive at net cash provided by operating activities:
Depreciation and amortization	12,141	11,612
Share-based compensation	1,930	2,018
Net loss on assets	386	458
Loss on divestiture of businesses	31,882	0
Deferred income taxes	2,202	(1,349)
Changes in operating assets and liabilities	(24,167)	2,263
Net cash provided by operating activities	37,566	46,173
Cash Flows from Investing Activities:
Acquisition of property, plant and equipment	(10,069)	(14,120)
Proceeds from sale of assets	105	37
Proceeds from divestiture of businesses	12,457	0
Other investing activity	(63)	(18)
Net cash used in investing activities	2,430	(14,101)
Cash flows from financing activities:
Proceeds from additional borrowings	5,657	95,562
Debt payments	(19,350)	(87,284)
Purchase of treasury stock	(12,365)	(17,920)
Dividends paid	(13,306)	(12,163)
Other financing activity	(477)	161
Net cash used in financing activities	(39,841)	(21,644)
Effect of exchange rate changes on cash and cash equivalents	3,089	2,278
Net increase in cash and cash equivalents	3,244	12,706
Cash and cash equivalents at beginning of period	25,865	11,997
Cash and cash equivalents at end of period	$ 29,109	$ 24,703