Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 31, 2016	Mar. 31, 2016
Accounting Policies [Abstract]
Increase in other comprehensive (loss) income	$ 32.7	$ 47.1

Quantifying Immaterial Error, Not Corrected, Amount

No definition available.

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