Impairment and Restructuring Charges (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Impairment and Restructuring Charge
Intangible assets, net		$ 98.5		$ 33.2
Property, plant and equipment		9.3	$ 1.2	3.8
Operating lease right-of-use assets		0.2
Total impairment charges		108.0	1.2	37.0
Total impairment and restructuring charge	$ 137.5	157.8	$ 1.2	39.5
Cost of sales
Impairment and Restructuring Charge
Restructuring		38.2
Warehouse, delivery, selling, general and administrative expense
Impairment and Restructuring Charge
Restructuring		$ 11.6		$ 2.5

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of loss from impairment of right-of-use asset from operating lease.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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