Condensed Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Comprehensive income
Net income	$ 214.7	$ 185.5
Other comprehensive income (loss), net of tax:
Pension and other postretirement benefit plan adjustments (net of tax expense of $12.8 and $9.8)	24.5	18.4
Currency translation adjustments	(86.2)	(24.4)
Net change in unrealized gains and losses on cash flow hedges (net of tax expense of $4.0 and $0.2)	11.6	1.6
Other comprehensive income (loss)	(50.1)	(4.4)
Comprehensive income	$ 164.6	$ 181.1