Pension And Other Postretirement Benefit Plans

9 Months Ended

Sep. 30, 2011

Pension And Other Postretirement Benefit Plans [Abstract]

Pension And Other Postretirement Benefit Plans

6. Pension and Other Postretirement Benefit Plans

The components of net periodic pension cost for defined benefit pension and other postretirement benefit plans included in the Company's results of operations are as follows:

	Three Months Ended September 30,
(in millions)	2011			2010			2011			2010
	Pension Benefits						Postretirement Benefits
Service cost – benefits earned during the period
	$	0.4		$	0.1		$	0.1		$	—
Interest cost		9.2			8.2			0.6			0.7
Expected return on plan assets		(9.9	)		(8.8	)		—			—
Recognized net actuarial loss		3.8			4.2			0.1			0.1
Amortization of transition asset		—			(0.4	)		—			—
Amortization of prior service cost		—			—			(1.3	)		(1.5	)
Net periodic cost (benefit)	$	3.5		$	3.3		$	(0.5	)	$	(0.7	)

	Nine Months Ended September 30,
(in millions)	2011			2010			2011			2010
	Pension Benefits						Postretirement Benefits
Service cost – benefits earned during the period	$	0.4		$	0.1		$	0.1		$	0.1
Interest cost		25.0			24.5			1.8			2.0
Expected return on plan assets		(27.0	)		(26.3	)		—			—
Recognized net actuarial loss		11.3			12.6			0.3			0.3
Amortization of transition asset		—			(1.2	)		—			—
Amortization of prior service cost		—			—			(3.9	)		(4.4	)
Net periodic cost (benefit)	$	9.7		$	9.7		$	(1.7	)	$	(2.0	)

The Company's net periodic pension cost for defined benefit pension plans recognized during the three and nine months ended September 30, 2011 includes expenses for the period from July 1, 2011 through September 30, 2011 related to defined benefit plan obligations assumed with the acquisition of Chaucer.