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Stock-Based Incentive Plans (Schedule of Restricted Stock Service-Based Rollforward) (Details) - Service-based restricted stock units - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Number of Shares
Non-vested shares, beginning of year (in shares)	848,459
Granted (in shares)	363,372
Vested, shares (in shares)	(279,064)
Forfeited, shares (in shares)	(141,610)
Non-vested shares, end of year (in shares)	791,157	848,459
Wtd. Avg. Grant Date Fair Value
Balance beginning of year (in dollars per share)	$ 58.00
Granted (in dollars per share)	74.17	$ 44.28	$ 92.54
Vested (in dollars per share)	61.82
Forfeited (in dollars per share)	55.85
Balance end of year (in dollars per share)	$ 64.53	$ 58.00

X

- Definition

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

+ References

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-Publisher FASB
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-Topic 718
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-Section 50
-Paragraph 2
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- Definition

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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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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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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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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