Securities Available For Sale (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Available-for-sale Securities [Line Items]

Fair Value Of Auction Rate Securities By Security Type And Underlying Credit Rating

The following tables set forth the fair values of the Company’s auction rate securities by type of security and underlying credit rating as of the dates indicated (in millions):

	Underlying Credit Rating (1)
As of December 31, 2012	AA-		BB		CCC		Total
Student loans	$	9.1	$	2.6	$	—	$	11.7
Structured finance securities	—		—		2.7		$	2.7
Total auction rate securities	$	9.1	$	2.6	$	2.7	$	14.4

	Underlying Credit Rating (1)
As of December 31, 2011	AAA		CCC		Total
Student loans	$	11.9	$	—	$	11.9
Structured finance securities	—		1.7		$	1.7
Total auction rate securities	$	11.9	$	1.7	$	13.6

(1) The Company’s auction rate securities maintain split ratings. For purposes of this table, securities are categorized according to their lowest rating.

Auction Rate Securities Reconciliation Of Cost Basis To Fair Value

The cost basis, gross cumulative unrealized (losses) gains and estimated fair values of the Company’s auction rate securities as of the dates indicated were as follows (in millions):

	December 31, 2012
	Adjusted Cost Basis (1)		Gross Cumulative Unrealized (Losses)/Gains			Fair Value
Auction rate securities – student loans	$	12.9	$	(1.2	)	$	11.7
Auction rate securities – structured finance securities	1.7		1.0			2.7
Total auction rate securities	$	14.6	$	(0.2	)	$	14.4
	December 31, 2011
	Adjusted Cost Basis (1)		Gross Cumulative    Unrealized (Losses) Gains			Fair Value
Auction rate securities – student loans	$	12.9	$	(1.0	)	$	11.9
Auction rate securities – structured finance securities	1.7		—			1.7
Total auction rate securities	$	14.6	$	(1.0	)	$	13.6

(1) Adjusted cost basis reflects adjustments for credit and other losses recognized in earnings on our structured finance security. Cumulative adjustments to the cost basis of securities held as of both December 31, 2012 and 2011 totaled $3.3 million. Par value of securities held as of both December 31, 2012 and 2011 totaled $17.9 million.

Collateralized Debt Obligations Sold [Member] | Auction Rate Securities [Member]

Schedule of Available-for-sale Securities [Line Items]

Other Than Temporary Losses on Auction Rate Securities Recognized in Earnings

No other than temporary impairment losses were recognized in connection with the Company’s structured finance securities during the year ended December 31, 2012. Details of other than temporary impairment losses recognized for the periods indicated are as follows (in millions):

	For the Years Ended December 31,
	2011		2010
Total other-than-temporary impairment losses on securities available for sale	$	0.6	$	1.2
Less: Unrealized losses on securities available for sale, recognized in other comprehensive income	—		—
Unrealized losses on securities available for sale, recognized in earnings	$	0.6	$	1.2

Auction Rate Securities Sold

Details of the securities sold, as of the date of sale, are as follows (in millions):

Par value	$	11.2
Cost basis	$	6.6
Fair value	$	5.7
Cumulative realized losses	$	4.2
Accumulated losses in other comprehensive income, net of tax	$	0.6