Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated (Deficit)	Accumulated Other Comprehensive Loss
Balances at December 31, 2011 at Dec. 31, 2011	$ 2,136,721	$ 897	$ 2,585,632	$ (444,833)	$ (4,975)
Balances at December 31, 2011, Shares at Dec. 31, 2011		89,655
Net income	3,975	0	0		0
Other comprehensive income	424	0	0	0
Common stock issued/cancelled under long-term incentive plans and director fees and options, net	433	2	431	0	0
Common stock issued/cancelled under long-term incentive plans and director fees and options, net, shares		228
Balances at March 31, 2012 at Mar. 31, 2012	$ 2,141,553	$ 899	$ 2,586,063	$ (440,858)	$ (4,551)
Balances at March 31, 2012, Shares at Mar. 31, 2012		89,883