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Commitments and Contingencies - Litigation (Details)
$ in Millions
12 Months Ended
Dec. 31, 2018
lawsuit
Jul. 01, 2023
USD ($)
Business Acquisition    
Accrual for legal expenses | $   $ 7.8
Oclaro    
Business Acquisition    
Number of lawsuits filed 7  
Number of pending claims 1