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Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2016

Schedule of Treasury Stock by Class [Table Text Block]

The activity in connection with common shares held in treasury by the Company for the six-month periods ended June 30, 2016 and 2015 is set forth below

	Six-Month Period Ended June 30
	2016			2015
		Dollar			Dollar
	Shares	Amount		Shares	Amount
	(In thousands, except shares data)
Beginning of period	8,757,960	$	105,379	8,012,254	$	97,070
Common shares used upon lapse of restricted stock units	(45,810)		(505)	(58,279)		(640)
Common shares repurchased as part of the stock repurchase program	-		-	303,985		4,238
End of period	8,712,150	$	104,874	8,257,960	$	100,668