v2.4.0.8

Fair Value Disclosures (Narrative) (Details) (USD $) In Millions, unless otherwise specified		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Mar. 31, 2013	Jun. 30, 2013 Government [Member]	Jun. 30, 2012 Government [Member]	Jun. 30, 2013 Government [Member]	Jun. 30, 2012 Government [Member]	Jun. 30, 2013 Corporate/Other Bonds [Member]	Jun. 30, 2012 Corporate/Other Bonds [Member]	Jun. 30, 2013 Corporate/Other Bonds [Member]	Jun. 30, 2012 Corporate/Other Bonds [Member]
Fair Value Disclosure [Line Items]
Available-for-sale Securities, Gross Realized Gain (Loss)		$ 0.2	$ 0.2	$ 0.4	$ 0.2	$ 0.1	$ 0	$ 0.3	$ 0.1
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value		0.4		0.4		4.0		4.0
Disposal Group, Including Discontinued Operation, Goodwill	$ 11.0

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Amount of available-for-sale debt securities at fair value maturing in the next fiscal year following the latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27198-111563



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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-Section 50

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For the disposal group, including a component of the entity (discontinued operation), carrying amount of goodwill (adjusted for any amortization recognized prior to adoption of FAS 142 and impairment charges).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

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