CONDENSED CONSOLIDATED STATEMENT OF EQUITY (Unaudited) (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balances, at beginning of period at Dec. 31, 2011	$ 1,254	$ 1,970,820	$ (46,800)	$ (884,051)	$ (1,015)	$ 1,040,208
Balances, at beginning of period (in shares) at Dec. 31, 2011						125,354,137
Compensation expense related to restricted stock grants	0	13,164	0	0	0	13,164
Net loss	0	0	0	(29,148)	0	(29,148)
Issuance of common stock under Associate Stock Purchase Plan	0	678	0	0	0	678
Issuance of common stock under Associate Stock Purchase Plan (in shares)						41,000
Restricted stock, net	10	(100)	0	0	0	(90)
Restricted stock, net (in shares)						1,044,000
Unrealized gain on marketable securities - restricted	0	0	0	0	838	838
Reclassification of net gains on derivatives into earnings	0	0	0	0	(79)	(79)
Amortization of payments from settlement of forward interest rate swaps	0	0	0	0	179	179
Other	0	252	0	0	(39)	213
Balances, at end of period at Jun. 30, 2012	$ 1,264	$ 1,984,814	$ (46,800)	$ (913,199)	$ (116)	$ 1,025,963
Balances, at end of period (in shares) at Jun. 30, 2012						126,439,118