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Sale of Assets and Dispositions - Narrative (Details)
$ in Millions
3 Months Ended 12 Months Ended
Jul. 03, 2021
USD ($)
Jul. 02, 2022
USD ($)
property
Jul. 03, 2021
USD ($)
Jun. 27, 2020
USD ($)
Jun. 29, 2019
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations          
Gain recognized on disposition of land and building   $ 3.0 $ (0.3) $ (21.8)  
Gain (loss) on disposal of asset   0.0 0.5 14.5  
Impairment of assets held for use   3.0 2.4 17.5  
Discontinued Operations, Disposed of by Sale | Manufacturing Site | Land and Building          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations          
Sale of product lines $ 23.0   23.0    
Gain recognized on disposition of land and building $ 8.3   8.3    
Discontinued Operations, Disposed of by Sale | Manufacturing Site | Equipment          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations          
Gain recognized on disposition of land and building   $ 5.9      
Discontinued Operations, Disposed of by Sale | Lithium Niobate          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations          
Sale of product lines       17.0  
Gain (loss) on disposal of asset       13.8  
Gain on manufacturing licenses       0.7  
Discontinued Operations, Disposed of by Sale | Datacom          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations          
Sale of product lines         $ 3.0
Impairment of assets to be disposed of       1.6  
Discontinued Operations, Held-for-sale          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations          
Impairment of assets held for use     $ 0.4 $ 4.3  
Number of real estate properties | property   1