Pension and Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2012

Pension and Postretirement Benefit Plans [Abstract]

Components of net periodic benefit cost

	For the Three Months Ended June 30,
	2012			2011			2012			2011
	Pension Benefits						Other Benefits
Service cost	$	1.3		$	1.3		$	—		$	0.2
Interest cost		4.3			4.5			0.1			0.3
Expected return on plan assets		(4.7	)		(4.8	)		—			—
Amortization of prior service cost		0.1			0.1			(0.8	)		(0.5	)
Amortization of net loss		2.1			1.7			0.4			0.3
Settlements or curtailments (1)		6.3			0.2			—			—
Total net periodic pension cost	$	9.4		$	3.0		$	(0.3	)	$	0.3

	For the Six Months Ended June 30,
	2012			2011			2012			2011
	Pension Benefits						Other Benefits
Service cost	$	2.7		$	2.7		$	0.3		$	0.4
Interest cost		8.6			9.0			0.3			0.5
Expected return on plan assets		(9.4	)		(9.5	)		—			—
Amortization of prior service cost		0.2			0.2			(1.3	)		(1.0	)
Amortization of net loss		4.3			3.5			0.7			0.6
Settlements or curtailments (1)		6.3			1.6			—			—
Total net periodic pension cost	$	12.7		$	7.5		$	—		$	0.5

(1) Settlements and curtailments in the three and six months ended June 30, 2012 are settlement charges related to actuarial losses recognized upon transition of a pension obligation to the acquirer of the Lennox Hearth Products business (“Hearth business”).