CONDENSED CONSOLIDATED STATEMENT OF EQUITY (Unaudited) - 3 months ended Mar. 31, 2016 - 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, 2015	$ 2,458,727	$ 1,883	$ 4,069,283	$ (46,800)	$ (1,565,478)	$ 2,458,888	$ (161)
Balances at beginning of period - shares (in share) at Dec. 31, 2015	188,338,790	188,339,000
Compensation expense related to restricted stock grants	$ 9,769	$ 0	9,769	0	0	9,769	0
Net income (loss)	(48,817)	0	0	0	(48,775)	(48,775)	(42)
Issuance of common stock under Associate Stock Purchase Plan	582	$ 1	581	0	0	582	0
Issuance of common stock under Associate Stock Purchase Plan - shares (in shares)		41,000
Restricted stock, net	0	$ 25	(25)	0	0	0	0
Restricted stock, net - shares (in shares)		2,515,000
Other	(828)	$ (1)	(827)	0	0	(828)	0
Stock Issued During Period, Shares, Other		(66,000)
Balances at end of period at Mar. 31, 2016	$ 2,419,433	$ 1,908	$ 4,078,781	$ (46,800)	$ (1,614,253)	$ 2,419,636	$ (203)
Balances at end of period - shares (in shares) at Mar. 31, 2016	190,829,258	190,829,000