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Note C - Finance Receivables, Net - Components of Finance Receivables (Details) - USD ($)
$ in Thousands
Jan. 31, 2017
Apr. 30, 2016
Jan. 31, 2016
Apr. 30, 2015
Gross contract amount $ 549,329 $ 504,149    
Less unearned finance charges (73,975) (66,871)    
Principal balance 475,354 437,278 $ 443,296  
Less allowance for credit losses (111,818) (102,485) (104,228) $ (93,224)
Finance receivables, net $ 363,536 $ 334,793 $ 339,069 $ 324,144