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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and equipment are comprised of the following as of December 31:
 
2012
 
2011
 
(Dollars in millions)
Land
$
1.7

 
$
1.7

Leasehold improvements under development
2.0

 
5.1

Buildings and improvements
47.5

 
41.3

Furniture, equipment and software
371.0

 
302.8

 
422.2

 
350.9

Less accumulated depreciation
(238.4
)
 
(205.6
)
Property and equipment, net
$
183.8

 
$
145.3