Condensed Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Comprehensive income
Net income	$ 199.7	$ 203.7	$ 578.1	$ 541.0
Other comprehensive income (loss), net of tax:
Pension and other postretirement benefit plan adjustments (net of tax expense of $7.9, $12.2, $23.6 and $36.4)	14.6	21.7	43.7	65.4
Currency translation adjustments	1.2	(11.9)	15.5	(31.6)
Net change in unrealized gains and losses on cash flow hedges (net of tax expense (benefit) of $1.6, ($0.2), $2.4 and $2.3)	(0.8)	(0.4)	(2.1)	3.8
Other comprehensive income (loss)	15.0	9.4	57.1	37.6
Comprehensive income	$ 214.7	$ 213.1	$ 635.2	$ 578.6