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POSTRETIREMENT BENEFIT PLANS
 6 Months Ended
Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract]  
POSTRETIREMENT BENEFIT PLANS
POSTRETIREMENT BENEFIT PLANS
The following tables provide the components of net periodic benefit cost for pension plans and other employee-related benefit plans for the three and six month periods ended June 30, 2013 and 2012.
 
 
2013
 
2012
Three Months Ended June 30
Pension
 
Other
Benefits
 
Total
 
Pension
 
Other
Benefits
 
Total
Net periodic benefit cost:
 
 
 
 
 
 
 
 
 
 
 
Service cost
$
1.6

 
$
0.8

 
$
2.4

 
$
1.6

 
$
0.5

 
$
2.1

Interest cost
3.4

 
2.0

 
5.4

 
4.1

 
2.2

 
6.3

Expected return on plan assets
(4.9
)
 
(0.2
)
 
(5.1
)
 
(5.0
)
 
(0.2
)
 
(5.2
)
Amortization of prior service cost (benefit)
0.2

 
(0.1
)
 
0.1

 
0.2

 
—

 
0.2

Amortization of net actuarial loss
2.1

 
0.9

 
3.0

 
1.6

 
1.1

 
2.7

Net periodic benefit cost
$
2.4

 
$
3.4

 
$
5.8

 
$
2.5

 
$
3.6

 
$
6.1

 
2013
 
2012
Six Months Ended June 30
Pension
 
Other
Benefits
 
Total
 
Pension
 
Other
Benefits
 
Total
Net periodic benefit cost:
 
 
 
 
 
 
 
 
 
 
 
Service cost
$
3.4

 
$
1.5

 
$
4.9

 
$
2.9

 
$
1.1

 
$
4.0

Interest cost
7.0

 
4.1

 
11.1

 
7.7

 
4.5

 
12.2

Expected return on plan assets
(9.8
)
 
(0.3
)
 
(10.1
)
 
(9.1
)
 
(0.3
)
 
(9.4
)
Amortization of prior service cost (benefit)
0.4

 
(0.2
)
 
0.2

 
0.5

 
(0.1
)
 
0.4

Amortization of net actuarial loss
4.5

 
2.2

 
6.7

 
3.1

 
2.1

 
5.2

Net periodic benefit cost
$
5.5

 
$
7.3

 
$
12.8

 
$
5.1

 
$
7.3

 
$
12.4



During the three months ended June 30, 2013 and 2012, we made contributions to our global pension plans of $0.8 and $0.6, respectively. During the six months ended June 30, 2013 and 2012, we made contributions to our global pension plans of $1.7 and $32.8, respectively. We do not expect to make material contributions to our global pension plans during the remainder of 2013.
During the three months ended June 30, 2013 and 2012, we amortized $3.1 and $2.9, net of tax, respectively, from accumulated other comprehensive income into earnings related to prior service cost and net actuarial loss. Similarly, during the six months ended June 30, 2013 and 2012, we amortized $6.9 and $5.6, net of tax, into earnings, respectively. No other reclassifications from accumulated other comprehensive income to earnings were recognized during any of the presented periods.