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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Percentage of vesting of award under share-based payment arrangement.

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Share-based compensation - Restricted stock units (Details) - Unvested restricted stock units - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restricted stock (in units)
Outstanding, beginning of period (in shares)		6,890,938
Granted (in shares)	413,234	4,065,117
Vested (in shares)		(1,895,620)
Forfeited (in shares)		(643,078)
Outstanding, end of period (in shares)		8,417,357	6,890,938
Weighted-Average Grant Date Fair Value (per share)
Outstanding, beginning of period (in dollars per share)		$ 31.59
Granted (in dollars per share)		27.50	$ 32.51	$ 26.33
Vested (in dollars per share)		31.88
Forfeited (in dollars per share)		30.67
Outstanding, end of period (in dollars per share)		$ 29.61	$ 31.59
Unrecognized compensation expense, RSUs		$ 216.1
Weighted average period over which unrecognized compensation expense would be recognized		2 years 10 months 24 days
Fair value of RSUs vested		$ 60.4	$ 16.2	$ 0.5
Omnibus Incentive Plan 2020
Weighted-Average Grant Date Fair Value (per share)
Vesting period		4 years
Tranche One
Weighted-Average Grant Date Fair Value (per share)
Percentage that vest	50.00%
Tranche One \| Stock Option Plan 2017
Weighted-Average Grant Date Fair Value (per share)
Vesting period		1 year
Percentage that vest		100.00%