Consolidated Statement of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Net income	$ 756.3	$ 737.0	$ 697.8
Other comprehensive income (loss):
Pension and other postretirement benefit plan adjustments (net of tax expense (benefit) of $232.1, ($103.1), and ($93.2))	402.2	(192.4)	(178.7)
Currency translation adjustments	8.3	(35.0)	23.4
Net change in unrealized gains and losses on cash flow hedges (net of tax (benefit) expense of ($1.8), ($3.1), and $2.3)	(2.9)	(5.0)	3.9
Net change in unrealized gains and losses on investment securities, net of tax	0	0	(0.3)
Other comprehensive income (loss)	407.6	(232.4)	(151.7)
Comprehensive income	$ 1,163.9	$ 504.6	$ 546.1