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Acquisition and Divestitures - Narrative (Details)
shares in Millions, $ in Millions
Jan. 15, 2016
USD ($)
project
shares
Jul. 03, 2016
USD ($)
Business Acquisition [Line Items]    
Acquisition and divestiture costs   $ 31.2
PMC-SIERRA INC.    
Business Acquisition [Line Items]    
Cash consideration $ 2,000.0  
Gross contractual amount of acquired accounts receivable 53.3  
Asset Amount 741.6  
PMC-SIERRA INC. | Completed technology    
Business Acquisition [Line Items]    
Asset Amount $ 447.0  
Weighted Average Useful Life (Years) 6 years  
PMC-SIERRA INC. | Completed technology | Minimum    
Business Acquisition [Line Items]    
Weighted Average Useful Life (Years) 5 years  
PMC-SIERRA INC. | Completed technology | Maximum    
Business Acquisition [Line Items]    
Weighted Average Useful Life (Years) 8 years  
PMC-SIERRA INC. | Customer relationships    
Business Acquisition [Line Items]    
Asset Amount $ 46.0  
Weighted Average Useful Life (Years) 9 years  
PMC-SIERRA INC. | Other    
Business Acquisition [Line Items]    
Asset Amount $ 7.6  
Weighted Average Useful Life (Years) 1 year  
PMC-SIERRA INC. | Common Stock    
Business Acquisition [Line Items]    
Number of shares issued in acquisition | shares 16.0  
In-process research and development | PMC-SIERRA INC.    
Business Acquisition [Line Items]    
Asset Amount $ 241.0  
Number of projects used in fair value analysis | project 4  
In-process research and development | PMC-SIERRA INC. | Minimum    
Business Acquisition [Line Items]    
Expected completion period for research and development in process 6 months  
In-process research and development | PMC-SIERRA INC. | Maximum    
Business Acquisition [Line Items]    
Expected completion period for research and development in process 2 years