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Revenue Recognition Contract with Customer, Asset and Liability (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
May 02, 2020 USD ($) contract | Apr. 27, 2019 USD ($) contract
Revenue from Contract with Customer [Abstract] |  |
Contract assets | $ 35,467 | $ 33,704
Contract liabilities | 50,897 | 47,178
Long-term contract liabilities | 10,707 | $ 10,053
Dollar Change [Abstract] |  |
Contract assets | 1,763 |
Contract liabilities - current | 3,719 |
Contract liabilities - noncurrent | $ 654 |
Change in Contract with Customer, Asset and Liability, Percentage [Abstract] |  |
Contract assets percent change | 5.23% |
Contract liabilities, current, percent change | 7.88% |
Contract liabilities, noncurrent, percent change | 6.51% |
Number of Loss on Contracts | contract | 1 | 6
Provision for Loss on Contracts | $ 42 | $ 2,353
Revenue recognized related to contract liability | $ 45,195 |

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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130533-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
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