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Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Data (Unaudited) [Abstract]

21. Quarterly Financial Data (Unaudited)



	2012 Quarter Ended
(In thousands, except per share data)	December 31		September 30		June 30		March 31
Revenues	$	86,046	$	85,231	$	125,904	$	77,344
Net income	$	49,408	$	48,575	$	73,502	$	40,184
Net income per basic share	$	0.35	$	0.35	$	0.53	$	0.29
Net income per diluted share	$	0.34	$	0.32	$	0.52	$	0.29



	2011 Quarter Ended
(In thousands, except per share data)	December 31		September 30		June 30		March 31
Revenues	$	72,808	$	83,770	$	122,127	$	83,336
Net income	$	38,942	$	45,916	$	69,986	$	44,545
Net income per basic share	$	0.28	$	0.33	$	0.50	$	0.32
Net income per diluted share	$	0.24	$	0.28	$	0.38	$	0.25

- 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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