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Contingencies (Detail) (Indemnification Agreement [Member], USD $)
In Millions, unless otherwise specified |
Jan. 31, 2013
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Indemnification Agreement [Member]
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| Gain Contingency, Unrecorded Amount | $ 48.5 |
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- Definition
The amount or range of possible amounts of gain that could be realized upon the resolution of a contingency. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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