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Inventories
12 Months Ended
Jan. 01, 2012
Inventory, Net [Abstract]  
Inventories
Inventories

Inventories consisted of the following:
    
 
January 2, 2011
 
January 1, 2012
 
(in thousands)
Merchandise
$
48,521

 
$
54,480

Fuel-retail
23,660

 
28,680

Fuel-wholesale consignment
4,347

 
5,014

Fuel-wholesale bulk
737

 
1,180

Lottery
2,028

 
2,044

Equipment and maintenance spare parts
5,977

 
8,016

Allowance for inventory shortage and obsolescence
(1,130
)
 
(691
)
Inventories, net
$
84,140

 
$
98,723


An allowance for inventory shortage and obsolescence is provided based on historical shortage trends and management’s assessment of any inventory obsolescence. Following is a summary of the valuation account related to inventory:

 
Balance at
Beginning of
Period
 
Additions
Charged to Costs
and Expenses
 
Amounts Written
Off, Net of
Recoveries
 
Balance at
End of
Period
 
(in thousands)
Allowance for inventory shortage and obsolescence:
 
 
 
 
 
 
 
January 3, 2010
$
815

 
$
242

 
$
393

 
$
664

January 2, 2011
664

 
640

 
174

 
1,130

January 1, 2012
1,130

 
(209
)
 
230

 
691