Pension and Post retirement Plans (Tables)

9 Months Ended

Sep. 30, 2011

Pension and Post retirement Plans [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost recorded for the third quarters of 2011 and 2010 were as follows (in millions):

	Pension Benefits						Post-retirement Benefits
	2011			2010			2011		2010
Service cost	$	2.2		$	1.9		$	0.3	$	0.2
Interest cost		5.0			4.9			0.9		0.9
Expected return on plan assets		(5.7	)		(5.1	)		--		--
Amortization of prior service cost		0.2			0.2			--		--
Amortization of net (loss) gain		2.2			2.0			0.5		--
Net periodic benefit cost	$	3.9		$	3.9		$	1.7	$	1.1

The components of net periodic benefit cost recorded for the first nine months of 2011 and 2010 were as follows (in millions):

	Pension Benefits						Post-retirement Benefits
	2011			2010			2011		2010
Service cost	$	6.6		$	5.8		$	0.9	$	0.7
Interest cost		15.0			14.6			2.8		2.5
Expected return on plan assets		(17.1	)		(15.4	)		--		--
Amortization of prior service cost		0.6			0.5			0.2		0.2
Amortization of net (loss) gain		6.6			6.1			1.5		0.1
Net periodic benefit cost	$	11.7		$	11.6		$	5.4	$	3.5