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Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Summary of details activity in our common stock

The following table details activity in our common stock:

						Three Months Ended March 31,
						2021												2020
						Shares						Amount						Shares						Amount
Purchases of treasury shares						—						$	—					(59)						$	(15,482)
Stock option exercises						120						18,102						481						46,236
Employee stock plan purchases						8						3,038						10						2,469
Restricted stock units vested, net of withheld shares upon award settlement						56						$	(8,958)					10						$	(2,301)

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- References

No definition available.

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- Definition

Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

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