CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Total	Common Stock [Member]	Capital in Excess of Par Value [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss ("AOCI") [Member]	Treasury Stock [Member]	Stockholders' Equity [Member]	Noncontrolling Interest ("NCI") [Member]
Beginning Balance at Dec. 31, 2014	$ 1,539,114	$ 245,210	$ 1,676,815	$ (239,572)	$ (97,808)	$ (96,441)	$ 1,488,204	$ 50,910
Beginning Balance (in shares) at Dec. 31, 2014		245,209,850
Net income (loss)	9,176			685			685	8,491
Other comprehensive income (loss), net of tax	(6,357)				(6,277)		(6,277)	(80)
Exercise of stock options	678	$ 196	(7,274)	(3,329)		11,085	678
Exercise of stock options (in shares)		196,340
Share vesting		$ 1,401	(1,401)
Share vesting (in shares)		1,400,735
Stock-based compensation charges	11,850		17,207			(5,357)	11,850
Purchase of common stock	(1,614)					(1,614)	(1,614)
Other	(4)	$ (33)	48			33	48	(52)
Other (in Shares)		(32,758)
Ending Balance at Sep. 30, 2015	$ 1,552,843	$ 246,774	$ 1,685,395	$ (242,216)	$ (104,085)	$ (92,294)	$ 1,493,574	$ 59,269
Ending Balance (in shares) at Sep. 30, 2015		246,774,167