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Acquisition (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended
	Jan. 25, 2016	Sep. 30, 2016	Mar. 31, 2016	Jun. 30, 2016
Smart Card Software Limited
Business Acquisition [Line Items]
Total consideration	$ 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]
Total consideration			12.1
Cash consideration			11.6
Working capital consideration			4.0
Liabilities assumed			$ 3.5
Smart Card Software Limited | Scenario, Forecast
Business Acquisition [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability		$ 11.5
Inphi Memory Interconnect Business [Member] | Scenario, Forecast
Business Acquisition [Line Items]
Total consideration		90.0
Snowbush [Member] | Scenario, Forecast
Business Acquisition [Line Items]
Total consideration		$ 32.5

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-SubTopic 30
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