Discontinued Operations - Narrative (Details) - Commercial and Industrial Lighting Business - Discontinued Operations, Held-for-Sale - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Oct. 26, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash purchase price		$ 350.0
Pre-tax transaction and separation costs	$ 7.0
Tax benefit related to realization of book-to-tax basis differences	$ 25.1

Amount of tax expense (benefit) attributable to income (loss) from operations classified as a discontinued operation. Excludes tax expense (benefit) for gain (loss) on disposal and for provision for gain (loss) until disposal.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 20
-Section 45
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=123586238&loc=d3e38679-109324

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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-URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
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-URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721523-107759

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