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Significant Accounting Policies
6 Months Ended
Jun. 30, 2012
Significant Accounting Policies [Abstract]  
Significant Accounting Policies

In the first quarter of 2012, the Company changed its accounting policy for property and equipment. Property and equipment continue to be recorded at cost. Prior to January 1, 2012, the Company provided for depreciation of buildings and improvements and equipment using accelerated methods. Effective January 1, 2012, the Company changed its method of depreciation for this group of assets from the accelerated methods to straight-line. Management deemed the change preferable because the straight-line method will more accurately reflect the pattern of usage and the expected benefits of such assets. Management also considered that the change will provide greater consistency with the depreciation methods used by other companies in the Company's industry. The change was accounted for as a change in estimate. The net book value of assets acquired prior to January 1, 2012 with useful lives remaining will be depreciated using the straight-line method prospectively. If the Company had continued using accelerated methods, depreciation expense would have been $2.9 million greater in the second quarter of 2012 and $5.8 million greater in the first twenty-six weeks of 2012. Had accelerated methods continued to be used, after considering the impact of income taxes, the effect would decrease net income by $1.6 million or $.06 per share in the second quarter of 2012 and $3.2 million or $.12 per share in the first twenty-six weeks of 2012.

Leasehold improvements are unaffected by the change noted above. Leasehold improvements continue to be amortized using the straight line method over the terms of the leases or the useful lives of the assets, whichever is shorter.