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Acquisition (Narrative) (Details) - USD ($) $ in Millions |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Aug. 05, 2016 | Aug. 04, 2016 | Jan. 25, 2016 | Mar. 31, 2016 | Dec. 31, 2016
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition transaction costs |  |  |  |  | $ 3.4
Smart Card Software Limited |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Consideration Transferred |  |  | $ 92.6 | $ 104.7 |
Escrow deposit for indemnification obligations and other contractual provisions |  |  | $ 17.1 |  |
Escrow deposit release term |  |  | 18 months |  |
Business acquisition transaction costs |  |  |  |  | 2.0
Smart Card Software Limited | Scenario, Previously Reported [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  | 12.1 |
Cash consideration |  |  |  | 11.6 |
Working capital consideration |  |  |  | 4.0 |
Liabilities assumed |  |  |  | $ 3.5 |
Inphi Memory Interconnect Business [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Consideration Transferred |  | $ 90.0 |  |  |
Escrow deposit for indemnification obligations and other contractual provisions |  | $ 11.3 |  |  |
Escrow deposit release term |  | 12 months |  |  |
Business acquisition transaction costs |  |  |  |  | 0.7
Snowbush [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Consideration Transferred | $ 32.0 |  |  |  |
Business acquisition transaction costs |  |  |  |  | $ 0.7

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