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Note C - Finance Receivables (Detail) - Credit quality information for finance receivables (USD $)
Jan. 31, 2013
Apr. 30, 2012
Jan. 31, 2012
Current (in Dollars) $ 287,553,000 $ 262,325,000 $ 249,880,000
Current 79.01% 82.77% 77.52%
3 - 29 days past due (in Dollars) 54,358,000 41,508,000 57,227,000
3 - 29 days past due 14.94% 13.10% 17.75%
30 - 60 days past due (in Dollars) 14,112,000 8,818,000 11,096,000
30 - 60 days past due 3.88% 2.78% 3.44%
61 - 90 days past due (in Dollars) 5,494,000 3,627,000 3,172,000
61 - 90 days past due 1.51% 1.14% 0.98%
> 90 days past due (in Dollars) 2,401,000 656,000 978,000
> 90 days past due 0.66% 0.21% 0.30%
Total (in Dollars) $ 363,918,000 $ 316,934,000 $ 322,353,000
Total 100.00% 100.00% 100.00%