Receivables	9 Months Ended
Jan. 28, 2017
Receivables [Abstract]
Receivables	Note 9. Receivables Accounts receivable are reported net of an allowance for doubtful accounts of $2,512 and $2,797 at January 28, 2017 and April 30, 2016, respectively. Included in accounts receivable as of January 28, 2017 and April 30, 2016 was $1,302 and $437, 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 six months and sales-type leases. The present value of these contracts and leases is recorded as a receivable as the revenue is recognized in accordance with U.S. 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 $5,105 and $7,038 as of January 28, 2017 and April 30, 2016, respectively. Contract and lease receivables bearing annual interest rates ranging from 4.8 to 10.0 percent are due in varying annual installments through August 2024. The face amount of long-term receivables was $5,635 and $7,236 as of January 28, 2017 and April 30, 2016, respectively.

Note 9. Receivables

Accounts receivable are reported net of an allowance for doubtful accounts of $2,512 and $2,797 at January 28, 2017 and April 30, 2016, respectively. Included in accounts receivable as of January 28, 2017 and April 30, 2016 was $1,302 and $437, 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 six months and sales-type leases. The present value of these contracts and leases is recorded as a receivable as the revenue is recognized in accordance with U.S. 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 $5,105 and $7,038 as of January 28, 2017 and April 30, 2016, respectively. Contract and lease receivables bearing annual interest rates ranging from 4.8 to 10.0 percent are due in varying annual installments through August 2024. The face amount of long-term receivables was $5,635 and $7,236 as of January 28, 2017 and April 30, 2016, respectively.