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Acquisitions, Divestitures and Licensing Transactions - 2018 Acquisition, Divestitures and Licensing Transactions (Details) - USD ($) $ in Millions			12 Months Ended
	Jun. 25, 2018	May 08, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill			$ 1,663.4	$ 1,659.2	$ 932.5
Proceeds from divestiture of business			0.0	5.2	8.4
Gain on divestiture of business			0.0	0.0	5.0
Revenue from external customers			$ 5,255.0	$ 5,517.9	5,878.3
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Gain on divestiture of business					5.0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Transient Voltage Suppressing Diodes
Business Acquisition [Line Items]
Proceeds from divestiture of business	$ 5.6
Gain on divestiture of business	$ 4.6
HIDM
Business Acquisition [Line Items]
Licensing income					10.0
QST Co. | License
Business Acquisition [Line Items]
Revenue from external customers					$ 22.7
SensL Technologies, Ltd.
Business Acquisition [Line Items]
Amount of outstanding shares acquired in the period		100.00%
Cash paid for acquisition		$ 71.6
Intangible assets acquired		31.4
Developed technology		$ 30.0
Weighted average useful life (in years)		7 years
Goodwill		$ 18.9
SensL Technologies, Ltd. | Developed technology
Business Acquisition [Line Items]
Weighted average useful life (in years)		7 years
SensL Technologies, Ltd. | IPRD
Business Acquisition [Line Items]
Discount rate (as a percent)		30.00%

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