Pension And Other Postretirement Benefits

6 Months Ended

Dec. 31, 2011

Pension And Other Postretirement Benefits [Abstract]

Pension And Other Postretirement Benefits

7. Pension and Other Postretirement Benefits

The components of the net periodic benefit cost related to the Company's pension and other postretirement benefits for the three months and six months ended December 31, 2011 and 2010 were as follows:

Three months ended December 31, ($ in millions)	Pension Plans						Other Postretirement Plans
	2011			2010			2011			2010
Service cost	$	5.5		$	5.6		$	0.7		$	0.7
Interest cost		12.3			11.6			2.7			2.7
Expected return on plan assets		(13.0	)		(11.3	)		(1.6	)		(1.3	)
Amortization of net loss		4.3			7.2			0.6			1.5
Amortization of prior service cost (benefit)		0.2			0.3			(1.9	)		(1.9	)
Net pension expense	$	9.3		$	13.4		$	0.5		$	1.7

Six months ended December 31, ($ in millions)	Pension Plans						Other Postretirement Plans
	2011			2010			2011			2010
Service cost	$	11.1		$	11.3		$	1.4		$	1.4
Interest cost		24.6			23.2			5.4			5.5
Expected return on plan assets		(26.0	)		(22.6	)		(3.2	)		(2.5	)
Amortization of net loss		8.7			14.4			1.2			3.0
Amortization of prior service cost (benefit)		0.4			0.6			(3.9	)		(4.0	)
Net pension expense	$	18.8		$	26.9		$	0.9		$	3.4

During the six months ended December 31, 2011, the Company made $15.4 million of required contributions to its U.S. defined benefit pension plan. The Company currently expects to make $12.3 million in required contributions to its U.S. defined benefit pension plan during the remainder of fiscal year 2012.