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Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2019

Stockholders' Equity [Abstract]

Schedule of Treasury Stock by Class [Table Text Block]

	Six-Month Period Ended June 30,
	2019					2018
			Dollar					Dollar
	Shares		Amount			Shares		Amount
	(In thousands, except shares data)
Beginning of period	8,591,310		$	103,633		8,678,427		$	104,502
Common shares used upon lapse of restricted stock units and options	(36,107)			(462)		(35,753)			(533)
End of period	8,555,203		$	103,171		8,642,674		$	103,969

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- References

No definition available.

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- Definition

Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 50
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