CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net earnings	$ 87,567	$ 48,291
Adjustments to arrive at net cash provided by operating activities:
Depreciation and amortization	36,374	39,461
Share-based compensation	14	4,035
Loss on assets	8,725	66,553
Deferred income taxes	4,466	(8,562)
Changes in operating assets and liabilities	(43,672)	(22,669)
Net cash provided by operating activities	93,474	127,109
Cash flows from investing activities:
Acquisition of property, plant and equipment	(55,508)	(46,726)
Proceeds from sale of assets	12,826	926
Acquisition of new business	(8,393)	0
Other investing activity	(168)	(685)
Net cash used in investing activities	(51,243)	(46,485)
Cash flows from financing activities:
Proceeds from additional borrowings	198,857	191,060
Debt payments	(31,850)	(115,636)
Purchase of treasury stock	(160,990)	(108,753)
Dividends paid	(35,901)	(35,861)
Proceeds from options exercised and other equity transactions	554	576
Net cash used in financing activities	(29,330)	(68,614)
Effect of exchange rate changes on cash and cash equivalents	(9,050)	(6,057)
Net increase in cash and cash equivalents	3,851	5,953
Cash and cash equivalents at beginning of period	20,329	19,836
Cash and cash equivalents at end of period	$ 24,180	$ 25,789