Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies Other (Details)

v3.8.0.1
Commitments and Contingencies Other (Details) - Exar Corporation [Member]
$ in Millions
3 Months Ended
Mar. 31, 2018
USD ($)
Loss Contingencies [Line Items]  
Release of indemnification asset $ 0.9
Business Combination, Indemnification Assets, Range of Outcomes, Value, High 13.6
Indemnification Agreement [Member]  
Loss Contingencies [Line Items]  
Business Combination, Indemnification Assets, Range of Outcomes, Value, High 136.0
Representations and Warranties [Member]  
Loss Contingencies [Line Items]  
Business Combination, Indemnification Assets, Range of Outcomes, Value, High 34.0
Intellectual Property [Member]  
Loss Contingencies [Line Items]  
Business Combination, Indemnification Assets, Range of Outcomes, Value, High $ 34.0