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Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Non-Vested Restricted Stock Activity

The following table summarizes the non-vested restricted stock activity for the year ended December 31, 2021:

					Time-Based								Performance-Based
					Restricted Stock								Restricted Stock
					Weighted								Weighted
	Time-Based				Average				Performance-Based				Average
	Restricted Stock				Grant Date				Restricted Stock				Grant Date
	Shares				Fair Value				Shares				Fair Value
Non-vested January 1, 2021		792,483			$	46.01				129,478			$	45.64
Granted		534,580			$	66.02				117,608			$	50.60
Vested		(303,995	)		$	44.08				(76,000	)		$	37.20
Forfeited		(117,701	)		$	48.48				(42,132	)		$	47.77
Non-vested at December 31, 2021		905,367			$	59.00				128,954			$	54.45

Schedule of Restricted Stock Granted

The following table summarizes the restricted stock granted during the respective years:

Time-based restricted stock grants	2021				2020				2019
Employees		510,017				312,855				355,579
Outside directors		24,563				26,341				32,262
Total		534,580				339,196				387,841
Weighted average grant date fair value	$	66.02			$	52.07			$	38.02
Vesting period	1-5 years				1-5 years				1-5 years

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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