Discontinued Operations - Schedule of Balance Sheet Information for Assets and Liabilities Held for Sale (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale - current	$ 179.5	$ 167.9
Assets held for sale - non-current	177.1	184.1
Liabilities held for sale - current	91.3	79.7
Liabilities held for sale - non-current	18.8	17.8
Discontinued Operations, Held-for-Sale | Commercial and Industrial Lighting Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	0.7	1.0
Accounts receivable	83.1	81.3
Inventories, net	89.8	80.6
Other current assets	5.9	5.0
Assets held for sale - current	179.5	167.9
Property, Plant, and Equipment, net	77.7	80.4
Goodwill	50.2	50.2
Other Intangible assets, net	37.3	40.0
Other long-term assets	11.9	13.5
Assets held for sale - non-current	177.1	184.1
Accounts payable	50.2	38.8
Accrued salaries, wages and employee benefits	8.5	7.1
Accrued insurance	3.9	4.4
Other accrued liabilities	28.7	29.4
Liabilities held for sale - current	91.3	79.7
Other Non-Current Liabilities	18.8	17.8
Liabilities held for sale - non-current	$ 18.8	$ 17.8