Receivables	9 Months Ended
Jan. 27, 2018
Receivables [Abstract]
Receivables	Note 10. Receivables Accounts receivable are reported net of an allowance for doubtful accounts of $2,311 and $2,610 at January 27, 2018 and April 29, 2017, respectively. Included in accounts receivable as of January 27, 2018 and April 29, 2017 was $2,044 and $1,857, 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 twelve 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 $4,147 and $4,890 as of January 27, 2018 and April 29, 2017, respectively. Contract and lease receivables bearing annual interest rates of 4.8 to 10.0 percent are due in varying annual installments through August 2024. The face amount of long-term receivables was $4,547 and $5,201 as of January 27, 2018 and April 29, 2017, respectively.

Note 10. Receivables

Accounts receivable are reported net of an allowance for doubtful accounts of $2,311 and $2,610 at January 27, 2018 and April 29, 2017, respectively. Included in accounts receivable as of January 27, 2018 and April 29, 2017 was $2,044 and $1,857, 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 twelve 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 $4,147 and $4,890 as of January 27, 2018 and April 29, 2017, respectively. Contract and lease receivables bearing annual interest rates of 4.8 to 10.0 percent are due in varying annual installments through August 2024. The face amount of long-term receivables was $4,547 and $5,201 as of January 27, 2018 and April 29, 2017, respectively.