Goodwill and Intangible Assets (Summary Of Goodwill by Operating Segment) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill [Line Items]
Goodwill	$ 1,383.3	$ 1,364.4
Accumulated Impairment Losses	(450.8)	(447.5)
Carrying Value	932.5	916.9	$ 924.7
Analog Solutions Group
Goodwill [Line Items]
Goodwill	836.7	836.7
Accumulated Impairment Losses	(418.9)	(418.9)
Carrying Value	417.8	417.8
Intelligent Sensing Group
Goodwill [Line Items]
Goodwill	114.4	95.5
Accumulated Impairment Losses	0.0	0.0
Carrying Value	114.4	95.5
Power Solutions Group
Goodwill [Line Items]
Goodwill	432.2	432.2
Accumulated Impairment Losses	(31.9)	(28.6)
Carrying Value	$ 400.3	$ 403.6

Goodwill Accumulated Amortization

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 45
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Amount before 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
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-Paragraph 1
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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