Transactions with FAFC (Details) (USD $)	0 Months Ended		3 Months Ended		6 Months Ended
	Apr. 11, 2011	Jun. 01, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Apr. 05, 2011
Investments in and Advances to Related Parties [Line Items]
Loss Contingency Accrual, at Carrying Value			$ 0		$ 0
Liability for uncertain tax positions, noncurrent			56,300,000		56,300,000		19,300,000
Increase (Decrease) in Due to Related Parties, Current					471,000	(15,092,000)
Payments for Repurchase of Common Stock					28,744,000	176,512,000
Investor [Member]
Investments in and Advances to Related Parties [Line Items]
Reduction In Other Operating Expenses			1,700,000	1,400,000	3,100,000	3,300,000
Due from Related Parties			40,700,000		40,700,000		34,400,000
Separation and Distribution Agreement Amount		250,000,000
Stock Issued During Period, Value, Other		242,600,000
Increase (Decrease) in Due to Related Parties, Current		7,400,000
Stock Repurchased During Period, Shares	4,000,000
Payments for Repurchase of Common Stock	75,800,000
Price Of Shares Purchased								$ 18.95
Operating Leases, Rent Expense			1,100,000	2,200,000
Related Parties Of FAFC [Member]
Investments in and Advances to Related Parties [Line Items]
Related Party Transaction, Revenues from Transactions with Related Party			3,800,000	4,200,000	7,500,000	8,100,000
Related Party Transaction, Expenses from Transactions with Related Party			300,000	1,200,000	600,000	3,700,000
Common Stock [Member]
Investments in and Advances to Related Parties [Line Items]
Stock Repurchased During Period, Shares					(1,684,000)
Common Stock [Member] | Investor [Member]
Investments in and Advances to Related Parties [Line Items]
Stockholders Equity Separation Shares Issued		12,933,265
FAFC Indemnification Under Tax Sharing Agreement Member [Member]
Investments in and Advances to Related Parties [Line Items]
Liability for uncertain tax positions, noncurrent			$ 47,600,000		$ 47,600,000		$ 10,400,000