Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2012

Pension and Other Postretirement Benefit Expense [Abstract]

Schedule of Defined Benefit Plans Disclosures

The following tables provide the components of the net periodic pension and other post-retirement benefit costs for the three and six months ended June 30, 2012 and 2011 (in millions):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
PENSION BENEFITS
Interest cost	$	0.4		$	0.4		$	0.8		$	0.8
Expected return on plan assets	(0.5		)	(0.5		)	(1.0		)	(1.0		)
Amortization of net actuarial loss	0.1			0.1			0.2			0.2
Net periodic benefit cost	$	—		$	—		$	—		$	—

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2012		2011		2012			2011
OTHER POST-RETIREMENT BENEFITS
Interest cost	$	—	$	—	$	0.1		$	0.1
Amortization of prior service cost	—		—		(0.1		)	(0.1		)
Net periodic other benefit cost	$	—	$	—	$	—		$	—