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3. Fair Value and Gross Unrealized Losses with Unrealized Losses (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Fair Value of Investments with Gross Unrealized Losses in loss position 12 months or more	$ 1.4	$ 0.3
Gross unrealized losses for investments in a loss position 12 months or more	0.1	0.1
Gross unrealized losses for investments in a loss position less than 12 months	1.9	0.5
Cost Method Investment, Percentage Owned	35.00%
Fair Value of Investments with Gross Unrealized Losses in loss position less than 12 months	$ 179.0	$ 99.0

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Amount of the excess of amortized cost basis over fair value of securities that have been in a loss position for twelve months or longer for securities which are categorized neither as held-to-maturity nor trading securities.

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Amount of the excess of amortized cost basis over fair value of securities that have been in a loss position for less than twelve months for securities categorized neither as held-to-maturity nor trading securities.

+ References

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

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