Business Combination, Acquired Entity, Number Of Lighting Brands

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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.

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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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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Acquisitions - Narrative (Details) $ in Millions	12 Months Ended
Acquisitions - Narrative (Details) $ in Millions	Aug. 31, 2020 USD ($)	May 31, 2021 USD ($)	May 31, 2020 USD ($)	Sep. 17, 2019 brand	Aug. 31, 2019 USD ($)
Business Acquisition [Line Items]
Goodwill	$ 1,080.0	$ 1,096.2	$ 1,086.4		$ 967.3
The Luminaires Group (TLG)
Business Acquisition [Line Items]
Number of niche lighting brands \| brand				5
Fiscal 2020 Acquisitions
Business Acquisition [Line Items]
Goodwill	107.6
Identified intangible assets	$ 180.6
Weighted average useful life of acquired intangible assets	16 years
Goodwill expected to be tax deductible	$ 77.7