Interim Financial Statements - Fair Value, Assets Held For Sale, Discontinued Operations (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Carrying Value	$ 1,701.3	$ 1,622.1
3.50% senior subordinated notes due 2025
Debt Instrument [Line Items]
Interest rate	3.50%
Carrying Value	$ 546.5	546.2
Fair Value	$ 517.5	508.7
3.75% senior subordinated notes due 2029
Debt Instrument [Line Items]
Interest rate	3.75%
Carrying Value	$ 495.2	495.1
Fair Value	428.0	404.2
Mortgage facilities
Debt Instrument [Line Items]
Carrying Value	590.9	494.3
Fair Value	$ 564.5	$ 462.1

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Period Type:	instant