Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Quarterly results of our operations for the years ended December 31, 2012 and 2013 are summarized below:



	First Quarter		Second Quarter		Third Quarter			Fourth Quarter
2012
Revenues	$	164,915	$	172,181	$	172,866		$	176,610
Net income (loss)	$	32,602	$	16,324	$	(45,847	)	$	29,789
Basic earnings (loss) per share:
Net income (loss)	$	0.45	$	0.23	$	(0.65	)	$	0.43
Diluted earnings per share:
Net income (loss)	$	0.45	$	0.23	$	(0.65	)	$	0.43

2013
Revenues	$	176,189	$	170,378	$	170,090		$	191,988
Net income (loss)	$	23,064	$	32,854	$	(74,558	)	$	48,421
Basic earnings per share:
Net income (loss)	$	0.34	$	0.48	$	(0.95	)	$	0.60
Diluted earnings per share:
Net income (loss)	$	0.34	$	0.48	$	(0.95	)	$	0.60

The sum of the quarterly earnings per share amounts may not equal the annual amount reported since per share amounts are computed independently for each period presented.

- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

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