XML 34 R24.htm IDEA: XBRL DOCUMENT v3.21.4
Critical Accounting Policies and Estimates - Additional Information (Details) - USD ($)
$ in Millions
6 Months Ended
Nov. 27, 2021
May 29, 2021
Critical Accounting Policies And Estimates [Line Items]    
Finished goods $ 61.4 $ 57.0
Raw material 5.5 3.9
Work in progress 3.8 2.6
Inventory valuation reserves $ 5.9 5.9
Weighted average number of years of amortization expense 12 years 6 months  
Warranty reserves $ 0.6 $ 0.5
Maximum    
Critical Accounting Policies And Estimates [Line Items]    
Services revenue recognized as percentage of aggregate revenue 5.00%  
Warranty term 3 years  
Minimum    
Critical Accounting Policies And Estimates [Line Items]    
Warranty term 1 year