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Note B - Summary of Significant Accounting Policies (Tables)
3 Months Ended
Jul. 31, 2019
Notes Tables  
Property, Plant, and Equipment Useful Life [Table Text Block]
Furniture, fixtures and equipment (years)
3
to
7
Leasehold improvements (years)
5
to
15
Buildings and improvements (years)
18
to
39
Revenue from External Customers by Products and Services [Table Text Block]
    Three Months Ended
July 31,
(In thousands)   2019   2018
         
Sales – used autos   $
129,454
    $
125,224
 
Wholesales – third party    
7,181
     
6,052
 
Service contract sales    
7,470
     
7,328
 
Payment protection plan revenue    
5,969
     
5,497
 
                 
Total   $
150,074
    $
144,101