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Employee Benefit Plans
 3 Months Ended
Feb. 28, 2013
Compensation and Retirement Disclosure [Abstract]  
Employee Benefit Plans
Employee Benefit Plans
The following table sets forth the components of net periodic benefit costs for the Company’s retirement programs: 
(Dollars in millions)
Pension
Plans
 
Health Care
Plans
Three months ended February 28, 2013 and February 29, 2012
2013
 
2012
 
2013
 
2012
Service costs
$
.4

 
$
.3

 
$
—

 
$
—

Interest costs
3.1

 
2.5

 
.1

 
.1

Expected return on plan assets
(3.7
)
 
(2.5
)
 
—

 
—

Amortization of net actuarial loss (gain)
1.3

 
.6

 
(.3
)
 
(.4
)
Amortization of prior service costs
—

 
—

 
(.1
)
 
(.1
)
Net periodic cost (benefit)
$
1.1

 
$
.9

 
$
(.3
)
 
$
(.4
)

During the first quarter of 2013, the Company contributed $2.5 million to its U.S. pension plan trust.
The Company also sponsors a defined contribution 401(k) plan. Participation in this plan is voluntary and is available to substantially all U.S. salaried employees and to certain groups of U.S. hourly employees. Contributions to this plan are based on either a percentage of employee contributions or on a specified percentage of employee pay based on the provisions of the applicable collective bargaining agreement. Prior to fiscal 2012, Company contributions were made with Company stock. Effective December 1, 2012, all Company contributions are made in cash. Expense for this plan was $0.8 million for each of the first quarters of 2013 and 2012.