Receivables	3 Months Ended
Jul. 28, 2018
Receivables [Abstract]
Receivables	Note 10. Receivables Accounts receivable are reported net of an allowance for doubtful accounts of $2,177 and $2,151 at July 28, 2018 and April 28, 2018, respectively. Included in accounts receivable as of July 28, 2018 and April 28, 2018 was $1,190 and $964, respectively, of retainage on construction-type contracts, all of which is expected to be collected within one year. In connection with certain sales transactions, we have entered into sales contracts with installment payments exceeding 12 months and sales-type leases. The present value of these contracts and leases are recorded as a receivable as the revenue is recognized in accordance with GAAP, and profit is recognized to the extent the present value is in excess of cost. We generally retain a security interest in the equipment or in the cash flow generated by the equipment until the contract is paid. The present value of long-term contracts and lease receivables, including accrued interest and current maturities, was $2,987 and $3,393 as of July 28, 2018 and April 28, 2018, respectively. Contract and lease receivables bearing annual interest rates of 4.8 to 9.0 percent are due in varying annual installments through 2024. The face amount of long-term receivables was $3,267 as of July 28, 2018 and $3,733 as of April 28, 2018.

Note 10. Receivables

Accounts receivable are reported net of an allowance for doubtful accounts of $2,177 and $2,151 at July 28, 2018 and April 28, 2018, respectively. Included in accounts receivable as of July 28, 2018 and April 28, 2018 was $1,190 and $964, respectively, of retainage on construction-type contracts, all of which is expected to be collected within one year.

In connection with certain sales transactions, we have entered into sales contracts with installment payments exceeding 12 months and sales-type leases. The present value of these contracts and leases are recorded as a receivable as the revenue is recognized in accordance with GAAP, and profit is recognized to the extent the present value is in excess of cost. We generally retain a security interest in the equipment or in the cash flow generated by the equipment until the contract is paid. The present value of long-term contracts and lease receivables, including accrued interest and current maturities, was $2,987 and $3,393 as of July 28, 2018 and April 28, 2018, respectively. Contract and lease receivables bearing annual interest rates of 4.8 to 9.0 percent are due in varying annual installments through 2024. The face amount of long-term receivables was $3,267 as of July 28, 2018 and $3,733 as of April 28, 2018.