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Stock-Based Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Share-based Compensation, Stock Options, Activity

Stock-based incentive plans compensation expense is as follows (in thousands):

												Three Months Ended March 31,
																		2021						2020
Service-based restricted stock units (“RSUs”)																		$	4,842					$	4,478
Service-based stock appreciation rights (“SARs”)																		3,322						2,684
Market performance-based restricted stock units																		763						896
Operating performance-based restricted stock units																		267						695
Employee share purchase plan																		342						290
Total stock-based compensation expense																		$	9,536					$	9,043

Stock-based compensation agreements issued during the three months ended March 31, 2021, representing potential shares and their weighted average grant date fair values by type follows (shares in thousands, fair value in dollars):

						Three Months Ended March 31, 2021
						Shares						Weighted Average Grant Date Fair Value
Service-based SARs						594,617						$	29.22
Service-based RSUs						322,310						$	73.25
Market performance-based RSUs						47,916						$	114.74
Operating performance-based RSUs						76,040						$	73.25

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- References

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ 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 (d)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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