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Critical Accounting Policies and Estimates - Additional Information (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Nov. 28, 2020 | May 30, 2020
Critical Accounting Policies And Estimates [Line Items] |  |
Finished goods | $ 53.0 | $ 51.8
Raw material | 4.0 | 3.6
Work in progress | 2.5 | 2.1
Inventory valuation reserves | $ 5.7 | $ 5.4
Maximum |  |
Critical Accounting Policies And Estimates [Line Items] |  |
Services revenue recognized as percentage of aggregate revenue | 5.00% |

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