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Employee Benefit and Retirement Plans (Tables)
6 Months Ended
May 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Schedule of defined benefit plans disclosures
The following table presents the components of our pension expense of the defined benefit plans for the three months ended May 31, (in millions):
 
United States
 
International
 
2013
 
2012
 
2013
 
2012
Defined benefit plans
 
 
 
 
 
 
 
Service cost
$
5.8

 
$
4.4

 
$
2.2

 
$
1.7

Interest costs
7.8

 
8.0

 
3.1

 
3.3

Expected return on plan assets
(10.4
)
 
(9.5
)
 
(4.2
)
 
(4.1
)
Amortization of prior service costs

 

 
0.1

 
0.1

Recognized net actuarial loss
7.4

 
4.5

 
1.4

 
0.9

Total pension expense
$
10.6

 
$
7.4

 
$
2.6

 
$
1.9


The following table presents the components of our pension expense of the defined benefit plans for the six months ended May 31, (in millions):
 
United States
 
International
 
2013
 
2012
 
2013
 
2012
Defined benefit plans
 
 
 
 
 
 
 
Service cost
$
11.6

 
$
8.7

 
$
4.4

 
$
3.4

Interest costs
15.6

 
15.9

 
6.3

 
6.4

Expected return on plan assets
(20.7
)
 
(18.9
)
 
(8.5
)
 
(8.1
)
Amortization of prior service costs

 

 
0.2

 
0.2

Recognized net actuarial loss
14.8

 
9.1

 
2.8

 
1.8

Total pension expense
$
21.3

 
$
14.8

 
$
5.2

 
$
3.7

Schedule of costs of retirement plans
The following table presents the components of our other postretirement benefits expense (in millions):
 
 
Three months ended May 31,
 
Six months ended May 31,
 
 
2013
 
2012
 
2013
 
2012
Other postretirement benefits
 
 
 
 
 
 
 
 
Service cost
 
$
1.2

 
$
1.1

 
$
2.5

 
$
2.2

Interest costs
 
1.0

 
1.2

 
2.0

 
2.4

Amortization of prior service costs
 
(0.3
)
 
(1.0
)
 
(0.6
)
 
(2.0
)
Amortization of losses
 
0.3

 
0.1

 
0.7

 
0.1

Total other postretirement expense
 
$
2.2

 
$
1.4

 
$
4.6

 
$
2.7