Pension and Postretirement Benefit Plans

3 Months Ended

Mar. 31, 2012

Pension and Postretirement Benefit Plans [Abstract]

Pension and Postretirement Benefit Plans

8. Pension and Postretirement Benefit Plans:

The components of net periodic benefit cost were as follows (in millions):

	For the Three Months Ended March 31,
	2012			2011			2012			2011
	Pension Benefits						Other Benefits
Service cost	$	1.4		$	1.4		$	0.3		$	0.2
Interest cost		4.3			4.5			0.2			0.2
Expected return on plan assets		(4.7	)		(4.8	)		—			—
Amortization of prior service cost		0.1			0.1			(0.5	)		(0.5	)
Amortization of net loss		2.2			1.7			0.3			0.3
Settlements or curtailments		—			1.5			—			—
Total net periodic pension cost	$	3.3		$	4.4		$	0.3		$	0.2

Pension expense includes pension benefits of $3.3 million and $4.0 million in Income from continuing operations for the three months ended March 31, 2012 and 2011, respectively, and $0.4 million in Loss from discontinued operations in the three months ended March 31, 2011. The pension expense for other benefits is included in Income from continuing operations for the three months ended March 31, 2012 and 2011.