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Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2019

Equity [Abstract]

Summary of details activity in our common stock

The following table details activity in our common stock (in thousands):

		Three Months Ended September 30,														Nine Months Ended September 30,
		2019							2018							2019							2018
		Shares			Amount				Shares			Amount				Shares			Amount				Shares			Amount
Purchases of treasury shares		—			$	—			—			$	—			(72	)		$	(14,289	)		—			$	—
Stock option exercises		395			40,163				326			26,219				691			62,295				1,048			70,536
Employee stock plan purchases		15			2,718				12			2,218				43			7,327				35			5,978
Restricted stock units vested, net of withheld shares upon award settlement		1			$	(191	)		—			$	—			38			$	(3,572	)		—			$	—

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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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