Unaudited Condensed Consolidated Statement of Stockholders' Equity - 9 months ended Sep. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Deferred Compensation Expense [Member]	Total
Balance at Dec. 31, 2014	$ 271	$ 410,641	$ 659,403	$ (30,665)	$ (78,441)	$ 7,544	$ 968,753
Balance (in shares) at Dec. 31, 2014					2,484
Net income (loss)			(198,597)				(198,597)
Dividends			13				13
Issuance of common stock	2	8,038					8,040
Treasury stock (in shares)					21
Treasury stock					$ 2,404		2,404
Deferred compensation plan		(2,077)			$ (950)	950	(2,077)
Deferred compensation plan (in shares)					(63)
Translation adjustment				(49,263)			(49,263)
Balance at Sep. 30, 2015	$ 273	$ 416,602	$ 460,819	$ (79,928)	$ (76,987)	$ 8,494	$ 729,273
Balance (in shares) at Sep. 30, 2015					2,515