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Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
Oct. 22, 2019
Jun. 19, 2019
Sep. 19, 2016
Dec. 31, 2019
Apr. 22, 2019
Loss Contingencies [Line Items]          
Availability under senior revolving credit facility       $ 15.0  
Outstanding guarantees and letters of credit       11.7  
Guarantees related subsidiaries' finance lease obligations, and line of credit       1.8  
Fairchild          
Loss Contingencies [Line Items]          
Maximum remediation cost recoveries receivable       150.0  
Power Integrations, Inc.          
Loss Contingencies [Line Items]          
Cash paid for legal settlements $ 175.0        
Letter of Credit | Senior Revolving Credit Facility          
Loss Contingencies [Line Items]          
Credit commitment outstanding       $ 1.0  
Fairchild          
Loss Contingencies [Line Items]          
Business acquisition, maximum indemnification period     6 years    
Quantenna          
Loss Contingencies [Line Items]          
Business acquisition, maximum indemnification period   6 years      
GFUS          
Loss Contingencies [Line Items]          
Commitments related to pending acquisition         $ 330.0