Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Consolidated Statements of Comprehensive Income      
Pension and postretirement, tax $ 6.5 $ 15.2 $ 2.0
Net unrealized (loss) gain on derivative instruments 0.1 0.2 0.2
Change in net unrealized gain (loss) on available-for-sale securities, tax   $ 0.1 $ 0.1