Condensed Consolidated Statement Of Shareholders' Equity - 6 months ended Jun. 30, 2017 - USD ($)	Total	Special Cash Dividend	Regular Cash Dividend	Class A Common Stock	Class B Common Stock	Retained Deficit	Accumulated Other Comprehensive (Loss) Income	Additional Paid-In Capital	Additional Paid-In Capital Special Cash Dividend	Additional Paid-In Capital Regular Cash Dividend	Treasury Stock	Non- controlling Interest
Beginning balance, Shares at Dec. 31, 2016				100,416,516	5,605
Beginning Balance at Dec. 31, 2016	$ 3,545,683,000			$ 100,000	$ 0	$ (308,105,000)	$ (81,782,000)	$ 4,561,760,000			$ (632,207,000)	$ 5,917,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(115,996,000)					(115,996,000)
Other comprehensive income, net of taxes	9,910,000						9,910,000
Comprehensive Loss	(106,086,000)
Special dividends declared to shareholders and warrant holders, $5.77 per share	(43,558,000)	$ (499,107,000)							$ (499,107,000)
Regular dividends declared to shareholders and warrant holders, $0.50 per share			$ (43,558,000)							$ (43,558,000)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	22,319,000							22,319,000
Warrant exercises, shares				44,848
Net share settlements of stock-based awards, shares				823,161
Net share settlements of stock-based awards	2,662,000			$ 1,000				2,648,000			13,000
Cumulative effect of a change in accounting principle	164,000					(254,000)		418,000
Common stock repurchases	0
Contributions from noncontrolling interest	1,003,000											1,003,000
Ending balance, Shares at Jun. 30, 2017				101,284,525	5,605
Ending Balance at Jun. 30, 2017	$ 2,923,080,000			$ 101,000	$ 0	$ (424,355,000)	$ (71,872,000)	$ 4,044,480,000			$ (632,194,000)	$ 6,920,000