CONDENSED CONSOLIDATED STATEMENT OF EQUITY (Unaudited) (USD $) In Thousands, except Share data	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	8,873	0	8,873	0	0	8,873	0
Net loss	(130,709)	0	0	0	(130,451)	(130,451)	(258)
Issuance of common stock under Associate Stock Purchase Plan	716	0	716	0	0	716	0
Issuance of common stock under Associate Stock Purchase Plan - shares (in shares)		20,000
Restricted stock, net	0	12	(12)	0	0	0	0
Restricted stock, net - shares (in shares)		1,126,000
Other	73	0	73	0	0	73	0
Balances at end of period at Mar. 31, 2015	$ 2,761,194	$ 1,882	$ 4,044,305	$ (46,800)	$ (1,238,452)	$ 2,760,935	$ 259
Balances at end of period - shares (in shares) at Mar. 31, 2015	188,184,417	188,184,000