Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Comprehensive Income (Parenthetical)

v3.4.0.3
Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Statement of Comprehensive Income [Abstract]        
Pension and postretirement, tax $ 1.0 $ 0.0 $ 1.2 $ 0.5
Change in net unrealized gain (loss) on derivative instruments, tax $ (1.1) $ 1.4 $ (1.1) $ 1.6