Retirement Benefits

3 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Retirement Benefits

Retirement Benefits

The components of net periodic benefit cost are (in millions):

	Pension Benefits
	Three Months Ended December 31,
	2013			2012
Service cost	$	19.7		$	23.1
Interest cost	43.6			40.2
Expected return on plan assets	(54.5		)	(56.8		)
Amortization:
Prior service credit	(0.7		)	(0.6		)
Net actuarial loss	24.9			36.3
Net periodic benefit cost	$	33.0		$	42.2

	Other Postretirement Benefits
	Three Months Ended December 31,
	2013			2012
Service cost	$	0.5		$	0.6
Interest cost	1.6			1.6
Amortization:
Prior service credit	(2.5		)	(2.7		)
Net actuarial loss	0.7			1.1
Net periodic benefit cost	$	0.3		$	0.6