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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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made 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 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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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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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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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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CAPITAL STOCK AND STOCK AWARD PLANS - Unvested Time-Based Restricted Shares and Restricted Stock Units (Details) - $ / shares		12 Months Ended
	Feb. 09, 2022	Dec. 31, 2021	Dec. 31, 2020
Time-based restricted shares and restricted stock units
Number of Restricted Shares and Stock Units
Unvested, beginning balance (in shares)		598,039
Granted (in shares)		666,311
Vested (in shares)		(439,695)
Forfeitures (in shares)		(61,174)
Unvested, ending balance (in shares)		763,481	598,039
Weighted Average Grant Date Fair Value
Unvested, beginning balance (in dollars per share)		$ 60.24
Granted (in dollars per share)		72.09
Vested (in dollars per share)		69.29
Forfeitures (in dollars per share)		68.12
Unvested, ending balance (in dollars per share)		$ 69.42	$ 60.24
Time-based restricted stock units
Weighted Average Grant Date Fair Value
Stock award vesting period (in years)		3 years	5 years
Time-based restricted stock units \| Subsequent event
Number of Restricted Shares and Stock Units
Granted (in shares)	634,118
Weighted Average Grant Date Fair Value
Granted (in dollars per share)	$ 74.67
Stock award vesting period (in years)	3 years