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Acquisitions Acquisition (Consideration Transferred) (Details) - USD ($) shares in Millions, $ in Millions	Aug. 18, 2021	Jul. 02, 2021	Dec. 08, 2019	Aug. 23, 2019
AnalogX, Inc.
Business acquisition
Total consideration		$ 47.5
Total consideration transferred		40.4
Deferred payments, total		7.4
Deferred payments, fair value		7.1
Escrow deposit		$ 5.9
Escrow release term		12 months
PLDA Group
Business acquisition
Total consideration	$ 85.6
Total consideration transferred	$ 67.1
Shares issued related to business acquisition (in shares)	0.3
Shares issued related to business acquisition, fair value	$ 6.9
Additional consideration subject to certain revenue targets, fair value	16.9
Escrow deposit	$ 10.0
Escrow release term	24 months
PLDA Group | Maximum
Business acquisition
Additional consideration subject to certain revenue targets	$ 21.0
Northwest Logic
Business acquisition
Total consideration transferred				$ 21.9
Escrow deposit				$ 3.0
Escrow release term				24 months
Silicon IP and Business Protocols Business from Verimatrix
Business acquisition
Total consideration			$ 46.8
Total consideration transferred			45.0
Additional consideration subject to certain revenue targets, fair value			1.8
Silicon IP and Business Protocols Business from Verimatrix | Maximum
Business acquisition
Total consideration			65.0
Additional consideration subject to certain revenue targets			$ 20.0

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