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Impairments, Restructuring Charges, and Other Items (Tables)
3 Months Ended
Mar. 31, 2013
Restructuring, Settlement and Impairment Provisions [Abstract]  
Summary of impairment, restructuring, and other charges
The charges recorded as impairment, restructuring, and other charges for three months ended March 31, 2013 and 2012 are as follows: 
 
Three Months Ended March 31,
(in millions)
2013
 
2012
Severance, restructuring costs, and special termination benefits
$
2.3

 
$
1.2

Business process re-engineering
0.6

 

Reserve for former corporate headquarters
0.5

 

Total impairments, restructuring charges, and other items
$
3.4

 
$
1.2

Activities for accrued impairment, restructuring charges and other items
The following table reconciles activities for the three months ended March 31, 2013 for accrued impairment, restructuring charges and other items.
(in millions)
Severance
 
Other
 
Total
Balance at January 1, 2013
$
0.1

 
$
1.5

 
$
1.6

Accruals
2.3

 
1.1

 
3.4

Payments
(1.4
)
 
(0.8
)
 
(2.2
)
Balance at March 31, 2013
$
1.0

 
$
1.8

 
$
2.8