CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net (loss) earnings	$ (2,075)	$ 21,439
Adjustments to arrive at net cash provided by operating activities:
Depreciation and amortization	13,424	12,963
Share-based compensation	1,022	640
Loss on assets	39,082	2,380
Deferred income taxes	(7,405)	1,804
Changes in operating assets and liabilities	(24,213)	(13,637)
Net cash provided by operating activities	19,835	25,589
Cash flows from investing activities:
Acquisition of property, plant and equipment	(14,711)	(21,039)
Proceeds from sale of assets	919	24
Other investing activity	(94)	(70)
Net cash used in investing activities	(13,886)	(21,085)
Cash flows from financing activities:
Proceeds from additional borrowings	49,254	33,438
Debt payments	(43,096)	(23,954)
Purchase of treasury stock	(2,724)	0
Dividends paid	(11,539)	(10,999)
Proceeds from options exercised and other equity transactions	331	56
Net cash used in financing activities	(7,774)	(1,459)
Effect of exchange rate changes on cash and cash equivalents	(548)	1,363
Net (decrease) increase in cash and cash equivalents	(2,373)	4,408
Cash and cash equivalents at beginning of period	19,836	15,062
Cash and cash equivalents at end of period	$ 17,463	$ 19,470