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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Equity [Abstract]

Cash Dividends

Cash Dividends – The Company paid cash dividends during the years ended December 31, 2017, 2016 and 2015 as follows:

		Per Share				Total
						(in thousands)
2017
Paid on March 22, 2017		$	0.02			$	3,326
Paid on June 22, 2017			0.02				4,269
Paid on September 21, 2017			0.02				4,271
Paid on December 21, 2017			0.02				4,449
Total cash dividends		$	0.08			$	16,315
2016
Paid on March 24, 2016		$	0.10			$	14,712
Paid on June 23, 2016			0.02				2,953
Paid on September 22, 2016			0.02				2,953
Paid on December 22, 2016			0.02				2,961
Total cash dividends		$	0.16			$	23,579
2015
Paid on March 25, 2015		$	0.10			$	14,640
Paid on June 24, 2015			0.10				14,712
Paid on September 24, 2015			0.10				14,712
Paid on December 24, 2015			0.10				14,711
Total cash dividends		$	0.40			$	58,775

Treasury Stock Acquisition

Treasury stock acquisitions during the years ended December 31, 2017, 2016 and 2015 were as follows (dollars in thousands):

		2017								2016								2015
		Shares				Cost				Shares				Cost				Shares				Cost
Treasury shares at beginning of period			43,392,617			$	911,094				43,207,240			$	907,045				42,818,585			$	899,035
Purchases pursuant to 2013 stock buyback program			5,503				109				8,488				183				8,618				180
Acquisitions pursuant to long-term incentive plan			404,491				7,508				176,889				3,866				380,037				7,830
Treasury shares at end of period			43,802,611			$	918,711				43,392,617			$	911,094				43,207,240			$	907,045

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656

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