Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Comprehensive Income (Parenthetical)

v3.19.2
Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Statement of Comprehensive Income [Abstract]        
Pension and postretirement, tax $ (0.1) $ 0.0 $ (0.1) $ 0.1
Change in net unrealized gain (loss) on derivative instruments, tax $ 1.2 $ 0.0 $ 3.8 $ (0.1)