Significant Accounting Policies (Tables)

12 Months Ended

Apr. 30, 2012

Significant Accounting Policies [Abstract]

Summary Of Inventory Values

	Fiscal 2012	Fiscal 2011
Gasoline	83,063	81,964
Merchandise	87,731	77,236
Total inventory	170,794	159,200

Schedule Of Depreciation Of Property, Plant And Equipment

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