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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2012
Accounting Policies [Abstract]  
Property and Equipment, Useful Life
We have determined the following depreciable lives for our property and equipment:  
 
Useful Life
in Years
Office furniture and equipment
3 to 10
Delivery equipment
4 to 10
Warehouse equipment
5 to 15
Leasehold improvements
3 to 25
Buildings
15 to 25
Property and equipment consist of the following (in millions):  
 
December 31, 2012
 
December 31, 2011
Delivery, warehouse and office equipment (1)
$
156.2

 
$
138.1

Leasehold improvements
32.3

 
28.7

Land and buildings (2)
24.9

 
15.2

Construction in progress
1.4

 

 
214.8

 
182.0

Less: Accumulated depreciation and amortization
(100.1
)
 
(82.5
)
Total property and equipment, net
$
114.7

 
$
99.5

______________________________________________
(1) Includes $2.1 million of equipment capital leases for 2012 and $1.6 million for 2011.
(2) Includes $4.8 million for a warehouse facility capital lease entered into in 2012.