CONDENSED CONSOLIDATED STATEMENT OF EQUITY (Unaudited) - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Stockholders' Equity [Member]	Noncontrolling Interest [Member]
Balances at beginning of period at Dec. 31, 2014	$ 2,882,241	$ 1,870	$ 4,034,655	$ (46,800)	$ (1,108,001)	$ 2,881,724	$ 517
Balances at beginning of period - shares (in share) at Dec. 31, 2014	187,037,994	187,038,000
Compensation expense related to restricted stock grants	$ 25,871	$ 0	25,871	0	0	25,871	0
Net loss	(283,852)	0	0	0	(283,218)	(283,218)	(634)
Issuance of common stock under Associate Stock Purchase Plan	2,157	$ 1	2,156	0	0	2,157	0
Issuance of common stock under Associate Stock Purchase Plan - shares (in shares)		79,000
Restricted stock, net	0	$ 11	(11)	0	0	0	0
Restricted stock, net - shares (in shares)		1,086,000
Other	110	$ 0	110	0	0	110	0
Balances at end of period at Sep. 30, 2015	$ 2,626,527	$ 1,882	$ 4,062,781	$ (46,800)	$ (1,391,219)	$ 2,626,644	$ (117)
Balances at end of period - shares (in shares) at Sep. 30, 2015	188,202,655	188,203,000