Condensed Consolidated Statement Of Shareholders' Equity - 3 months ended Mar. 31, 2016 - USD ($) $ in Thousands		Total	Regular Cash Dividend	Class A Common Stock	Class B Common Stock	Retained Deficit	Accumulated Other Comprehensive Loss	Additional Paid-In Capital	Additional Paid-In Capital Regular Cash Dividend	Treasury Stock	Non- controlling Interest
Balance at December 31, 2015, shares at Dec. 31, 2015				100,015,546	5,605
Balance at December 31, 2015 at Dec. 31, 2015		$ 3,831,722		$ 100	$ 0	$ (322,351)	$ (71,016)	$ 4,619,618		$ (400,153)	$ 5,524
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		11,093				11,093
Other comprehensive loss, net of taxes		3,637					3,637
Comprehensive income		14,730
Regular dividends declared to shareholders and warrant holders, $0.25 per share	[1]		$ (23,215)						$ (23,215)
Warrant exercises, shares				100,108
Stock-based compensation		8,466						8,466
Net share settlements of stock-based awards		(4,126)						(4,126)
Net share settlements of stock-based awards, shares				218,812
Common stock repurchases		(12,739)								(12,739)
Balance at March 31, 2016, shares at Mar. 31, 2016				100,334,466	5,605
Balance at March 31, 2016 at Mar. 31, 2016		$ 3,814,838		$ 100	$ 0	$ (311,258)	$ (67,379)	$ 4,600,743		$ (412,892)	$ 5,524
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividend equivalent units granted									$ 300

[1] Includes $0.3 million of granted dividend equivalent units.