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Significant Accounting Policies (Tables)
12 Months Ended
Apr. 30, 2017
Accounting Policies [Abstract]  
Summary of the Inventory Values
Below is a summary of the inventory values at April 30, 2017 and 2016:
 
 
Fiscal 2017
 
Fiscal 2016
Fuel
$
60,833

 
$
57,840

Merchandise
140,811

 
147,148

Total inventory
$
201,644

 
$
204,988

Depreciation of Property and Equipment and Amortization of Capital Lease Assets
Depreciation of property and equipment and amortization of capital lease assets are computed principally by the straight-line method over the following estimated useful lives:
 
 
 
Buildings
25-40 years
Machinery and equipment
5-30 years
Leasehold interest in property and equipment
Lesser of term of lease or life of asset
Leasehold improvements
Lesser of term of lease or life of asset