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Fair Value Measurement, Transfer Level 1 to Level 2 (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
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Jun. 30, 2012
Fair Value, Transfers Between Level 1 and Level 2, Description and Policy [Abstract] |
Fair Value, Level 1 to level 2 Transfers, Amount | $ 2.3

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- Definition The amount of the transfers of assets or liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 + Details
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Period Type: | duration

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- Details
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