Consolidated Statement of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Net income	$ 826.8	$ 756.3	$ 737.0
Other comprehensive income (loss):
Pension and other postretirement benefit plan adjustments (net of tax (benefit) expense of ($27.6), $232.1, and ($103.1))	(85.6)	402.2	(192.4)
Currency translation adjustments	(61.3)	8.3	(35.0)
Net change in unrealized gains and losses on cash flow hedges (net of tax expense (benefit) of $1.9, ($1.8), and ($3.1))	16.6	(2.9)	(5.0)
Other comprehensive income (loss)	(130.3)	407.6	(232.4)
Comprehensive income	$ 696.5	$ 1,163.9	$ 504.6