XML 105 R58.htm IDEA: XBRL DOCUMENT

Debt Securities Held for which Other-Than-Temporary Impairment Loss has been Recognized in Current Period or Previously (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
OtherThanTemporary Impairment Non Credit Losses Recognized In Earnings [Line Items]
Fair Value	$ 84.6	$ 73.6
Amortized Cost Basis	102.0	96.8
Noncredit-related Losses Recognized in OCI	(17.4)	(23.2)
Tax Effect	6.5	8.6
Amount Recorded in OCI	$ (10.9)	$ (14.6)

Total of accumulated other comprehensive loss related to that portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized either as available-for-sale or held-to-maturity that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable.

+ References+ Details