Employee Benefit Plans

3 Months Ended

Mar. 31, 2012

Employee Benefit Plans [Abstract]

Employee Benefit Plans

12. Employee Benefit Plans

The components of pension and postretirement benefit expense for the three months ended March 31, 2012 and 2011 are as follows:

	Pension Benefits
	Three months ended March 31,
	2012									2011
(in millions)	Domestic			Foreign			Total			Domestic			Foreign			Total
Service cost	$	—		$	0.5		$	0.5		$	—		$	0.5		$	0.5
Interest cost		3.7			0.6			4.3			4.0			0.7			4.7
Expected return on plan assets		(4.1	)		(0.3	)		(4.4	)		(3.9	)		(0.4	)		(4.3	)
Amortization, net		1.8			—			1.8			0.8			—			0.8
Net periodic cost	$	1.4		$	0.8		$	2.2		$	0.9		$	0.8		$	1.7

	Postretirement Benefits
	Three months ended March  31,
(in millions)	2012			2011
Service cost	$	—		$	0.1
Interest cost		0.1			0.2
Amortization, net		(0.1	)		(0.2	)
Net periodic cost	$	—		$	0.1