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Retirement and Welfare Plans - Deferred Compensation (Details) - USD ($) $ in Thousands | Apr. 28, 2018 | Apr. 29, 2017
--- | --- | ---
Other current assets |  |
Retirement and Welfare |  |
Market value of mutual funds | $ 94 | $ 6
PCRP | Other current liabilities |  |
Retirement and Welfare |  |
Deferred compensation arrangement obligations | 200 | 100
PCRP | Other long-term liabilities |  |
Retirement and Welfare |  |
Deferred compensation arrangement obligations | 9,500 | 8,300
Executive deferred compensation plan | Other long-term liabilities |  |
Retirement and Welfare |  |
Deferred compensation arrangement obligations | 23,200 | 20,300
Executive deferred compensation plan | Other current assets |  |
Retirement and Welfare |  |
Market value of mutual funds | 100 |
Executive deferred compensation plan and PCRP | Other long-term assets |  |
Retirement and Welfare |  |
Cash surrender value of life insurance contracts | $ 31,600 | 27,800
Maximum | Executive deferred compensation plan | Other current assets |  |
Retirement and Welfare |  |
Market value of mutual funds |  | $ 100

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- Definition Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6812-107765 + Details
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- Definition The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
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