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COMMERCIAL PAPER Commercial Paper (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015 Rate	Dec. 31, 2014
Debt Disclosure [Abstract]
Commercial paper	$ 113.5us-gaap_CommercialPaper	$ 0us-gaap_CommercialPaper
Commercial Paper, Weighted Average Interest Rate	0.67%

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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