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Pension and Postretirement Benefit Plans
 9 Months Ended
Sep. 30, 2012
Compensation and Retirement Disclosure [Abstract]  
Pension and Postretirement Benefit Plans
Pension and Postretirement Benefit Plans:
The components of net periodic benefit cost were as follows (in millions):
 
 
For the Three Months Ended
September 30,
 
2012
 
2011
 
2012
 
2011
 
Pension Benefits
 
Other Benefits
Service cost
$
1.4

 
$
1.3

 
$
—

 
$
0.2

Interest cost
4.3

 
4.5

 
0.1

 
0.2

Expected return on plan assets
(4.7
)
 
(4.7
)
 
—

 
—

Amortization of prior service cost
0.1

 
0.1

 
(0.8
)
 
(0.4
)
Amortization of net loss
2.1

 
1.7

 
0.4

 
0.3

Settlements or curtailments
1.0

 
0.1

 
—

 
—

Total net periodic benefit cost
$
4.2

 
$
3.0

 
$
(0.3
)
 
$
0.3

 
 
For the Nine Months Ended
September 30,
 
2012
 
2011
 
2012
 
2011
 
Pension Benefits
 
Other Benefits
Service cost
$
4.1

 
$
4.0

 
$
0.2

 
$
0.6

Interest cost
12.9

 
13.5

 
0.4

 
0.7

Expected return on plan assets
(14.1
)
 
(14.2
)
 
—

 
—

Amortization of prior service cost
0.3

 
0.3

 
(2.0
)
 
(1.4
)
Amortization of net loss
6.5

 
5.2

 
1.0

 
0.9

Settlements or curtailments (1)
7.3

 
1.7

 
—

 
—

Total net periodic benefit cost
$
17.0

 
$
10.5

 
$
(0.4
)
 
$
0.8

(1)
Settlements and curtailments in the nine months ended September 30, 2012 include a $6.3 million settlement charge related to actuarial losses recognized upon transition of a pension obligation to the acquirer of the Lennox Hearth Products business (“Hearth business”).
Pension expense of $3.6 million and $10.0 million is included in Income from continuing operations for the three and nine months ended September 30, 2012, respectively, and $2.9 million and $9.9 million in Income from continuing operations for the three and nine months ended September 30, 2011, respectively. Pension expense of $0.6 million and $7.0 million is included in Loss from discontinued operations for the three and nine months ended September 30, 2012, respectively, and $0.1 million and $0.6 million in Loss from discontinued operations for the three and nine months ended September 30, 2011, respectively.
The pension expense for other benefits is included in Income from continuing operations for the three and nine months ended September 30, 2012 and 2011.