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Summarized Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Summarized Quarterly Financial Data [Abstract]

Schedule of quarterly financial information

		Quarter
2013		First				Second				Third				Fourth
Revenues		$	137,506			$	131,980			$	110,031			$	124,083
Income (loss) from operations			29,919				26,257				6,621				(30,096	)
Net income (loss)			17,231				15,002				3,149				(18,957	)
Net income (loss) per share:
Basic		$	1.59			$	1.43			$	0.30			$	(1.80	)
Diluted		$	1.59			$	1.42			$	0.30			$	(1.80	)

		Quarter
2014		First				Second				Third				Fourth
Revenues		$	116,468			$	112,747			$	100,756			$	116,070
Income from operations			25,909				23,998				9,216				22,624
Net income			14,783				13,677				4,953				12,943
Net income per share:
Basic		$	1.40			$	1.29			$	0.47			$	1.22
Diluted		$	1.40			$	1.29			$	0.46			$	1.21

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- Definition

Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 270

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)-(j)

-URI http://asc.fasb.org/extlink&oid=35737889&loc=d3e1280-108306

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