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	19,185	0	0	0	19,185
Net loss	0	0	0	(41,158)	0	(41,158)
Issuance of common stock under Associate Stock Purchase Plan	0	1,043	0	0	0	1,043
Issuance of common stock under Associate Stock Purchase Plan (in shares)						58,000
Restricted stock, net	11	(100)	0	0	0	(89)
Restricted stock, net (in shares)						1,125,000
Unrealized gain on marketable securities - restricted	0	0	0	0	1,818	1,818
Reclassification of net loss 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	399	0	0	(39)	360
Balances, at end of period at Sep. 30, 2012	$ 1,265	$ 1,991,347	$ (46,800)	$ (925,209)	$ 864	$ 1,021,467
Balances, at end of period (in shares) at Sep. 30, 2012						126,537,093