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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an indefinite period of benefit.

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Weighted average discount rate for operating lease calculated at point in time.

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Trademarks, Licenses and Other Intangible Assets (Details) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020 EUR (€)
Trademarks, Licenses and Other Intangible Assets (Details) [Line Items]
Amortization expense	$ 5.3	$ 5.0	$ 7.0
Amortization expense in 2021			5.4
Amortization expense in 2022			3.8
Amortization expense in 2023			3.8
Amortization expense in 2024			3.7
Amortization expense in 2025			$ 3.7
Amortization period	14 years
Weighted average cost of capital	3.00%			3.00%
Repurchase price	$ 86.0			€ 70
Minimum [Member]
Trademarks, Licenses and Other Intangible Assets (Details) [Line Items]
Amortization period	3 years
Maximum [Member]
Trademarks, Licenses and Other Intangible Assets (Details) [Line Items]
Amortization period	20 years
Trademarks [Member]
Trademarks, Licenses and Other Intangible Assets (Details) [Line Items]
Amortization period	18 years
Licenses [Member]
Trademarks, Licenses and Other Intangible Assets (Details) [Line Items]
Amortization period	15 years
Other Intangible Assets [Member]
Trademarks, Licenses and Other Intangible Assets (Details) [Line Items]
Amortization period	2 years
Measurement Input, Discount Rate [Member]
Trademarks, Licenses and Other Intangible Assets (Details) [Line Items]
Weighted average cost of capital	6.99%	7.94%	6.21%	6.99%