Transactions with FAFC (Details) (USD $)	6 Months Ended							3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010	Jun. 30, 2011 FAFC [Member] Promissory Note To FAFC [Member] Notes Payable, Other Payables [Member]	Jun. 30, 2010 FAFC [Member] Promissory Note To FAFC [Member] Notes Payable, Other Payables [Member]	Jun. 30, 2011 Promissory Note To FAFC [Member] Notes Payable, Other Payables [Member]	Dec. 31, 2010 Promissory Note To FAFC [Member] Notes Payable, Other Payables [Member]	Jun. 30, 2011 FAFC [Member]	Jun. 30, 2010 FAFC [Member]	Jun. 30, 2011 FAFC [Member]	Dec. 31, 2010 FAFC [Member]	Jun. 30, 2011 Related Parties Of FAFC [Member]	Jun. 30, 2010 Related Parties Of FAFC [Member]	Jun. 30, 2011 Related Parties Of FAFC [Member]	Jun. 30, 2010 Related Parties Of FAFC [Member]
Investments in and Advances to Related Parties [Line Items]
Reduction In Other Operating Expenses								$ 1,400,000		$ 3,100,000
Contingent Tax Obligation Receivable								51,800,000		51,800,000	59,700,000
Liability for Uncertain Tax Positions, Noncurrent	13,900,000		14,100,000
Common Stock Shares Issued To Related Party In connection With Transition Of FAFC									12,900,000
Payments for Repurchase of Stock From Related Party [Abstrct]
Stock Repurchased During Period, Shares									4,000,000
Payments for Repurchase of Common Stock	176,512,000	0						75,800,000
Price Of Shares Purchased								$ 18.95
Debt Instrument FAFC Transaction [Abstract]
Debt Instrument, Face Amount				19,900,000
Debt Instrument, Interest Rate, Stated Percentage					6.52%
Promissory note due to FAFC	939,140,000		720,889,000			17,047,000	18,787,000
Operating Leases, Rent Expense								1,100,000		2,200,000
Sales Revenue, Services, Other												4,200,000	5,200,000	8,100,000	12,900,000
Other Cost and Expense, Operating												1,200,000	500,000	3,700,000	1,100,000
Loss Contingency Accrual, at Carrying Value	$ 0