Retirement Benefits (Tables)

9 Months Ended

Jun. 30, 2011

Retirement Benefits [Abstract]

Components of net periodic benefit cost in income from continuing operations

	Pension Benefits
	Three Months Ended						Nine Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
Service cost	$	17.8		$	19.3		$	52.9		$	51.9
Interest cost		41.6			40.0			123.5			119.8
Expected return on plan assets		(52.2	)		(48.1	)		(154.3	)		(144.1	)
Amortization:
Prior service credit		(0.5	)		(1.1	)		(1.5	)		(3.2	)
Net actuarial loss		16.0			10.6			47.8			31.6
Net periodic benefit cost	$	22.7		$	20.7		$	68.4		$	56.0

	Other Postretirement Benefits
	Three Months Ended						Nine Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
Service cost	$	0.8		$	0.9		$	2.6		$	2.8
Interest cost		2.5			3.1			7.6			9.4
Amortization:
Prior service credit		(2.6	)		(2.6	)		(7.9	)		(7.9	)
Net actuarial loss		1.7			2.1			4.9			6.3
Net periodic benefit cost	$	2.4		$	3.5		$	7.2		$	10.6