Basis of Condensed Consolidated Financial Statements (Details) (USD $)	3 Months Ended			0 Months Ended			0 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011	Apr. 11, 2011 Investor [Member]	Jun. 01, 2010 Investor [Member]	Apr. 05, 2011 Investor [Member]	Jun. 01, 2010 Common Stock [Member] Investor [Member]	May 26, 2010 FAFC [Member]	Dec. 31, 2011 Reclassification [Member]
Liability for Uncertain Tax Positions, Noncurrent	$ 56,300,000		$ 19,300,000						$ 26,600,000
Common Stock, Par or Stated Value Per Share	$ 0.00001		$ 0.00001					$ 1.00
Separation and Distribution Agreement Amount					250,000,000
Stockholders Equity Separation Shares Issued							12,933,265
Stock Issued During Period, Value, Other					242,600,000
Increase (Decrease) in Due to Related Parties, Current	975,000	(21,065,000)			7,400,000
Stock Repurchased During Period, Shares				4,000,000
Payments for Repurchase of Common Stock	0	15,082,000		75,800,000
Price Of Shares Purchased						$ 18.95
Escrow Deposit	$ 2,000,000,000		$ 593,900,000