Equity (Details) (USD $) In Thousands, except Share data in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Nov. 04, 2011	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2001
Common Stock Repurchase Authorized
Stock Repurchase Shares		4.3		4.3		15.4
Treasury Stock, Shares, Acquired		2.2	0	2.2	0
Repurchases of Common Stock	$ 769	$ 28,875		$ 28,875	$ 0
Treasury stock acquired in accounts payable				$ 768	$ 0
Restricted Stock Shares Authorized		0.9		0.9