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Commitments and Contingencies (Details) $ in Millions				1 Months Ended	3 Months Ended
	Aug. 12, 2019 statement	May 17, 2019 patent	May 01, 2019 patent	Nov. 06, 2019 patent	Nov. 30, 2020 USD ($)	Nov. 30, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Standard warranty term					5 years
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning balance					$ 16.1	$ 11.5
Warranty and recall costs					6.6	7.9
Payments and other deductions					(5.9)	(7.8)
Acquired warranty and recall liabilities					0.0	0.1
Ending balance					$ 16.8	$ 11.7
Lighting Science Group Patent Litigation
Loss Contingencies [Line Items]
Number of patents allegedly to have been infringed | patent			8	3
Number of allegations dropped | patent		1		4
Securities Class Action
Loss Contingencies [Line Items]
Number of statements used as basis for dismissing claims | statement	42
Total number of statements challenged in the Consolidated Complaint | statement	47
Number of challenged statements allowed to proceed to discovery | statement	5

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The total number of new claims filed pertaining to a loss contingency during the period.

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