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Goodwill and Intangible Assets - Summary of Goodwill by Reportable Segment (Details) - USD ($) $ in Millions	Sep. 28, 2018	Dec. 31, 2017
Goodwill
Goodwill	$ 1,383.3	$ 1,364.4
Accumulated Impairment Losses	(450.8)	(447.5)
Carrying Value	932.5	916.9
Power Solutions Group
Goodwill
Goodwill	432.2	432.2
Accumulated Impairment Losses	(31.9)	(28.6)
Carrying Value	400.3	403.6
Analog Solutions Group
Goodwill
Goodwill	836.7	836.7
Accumulated Impairment Losses	(418.9)	(418.9)
Carrying Value	417.8	417.8
Intelligent Sensing Group
Goodwill
Goodwill	114.4	95.5
Accumulated Impairment Losses	0.0	0.0
Carrying Value	$ 114.4	$ 95.5

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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