Summarized Quarterly Financial Data

12 Months Ended

Dec. 31, 2011

Summarized Quarterly Financial Data [Abstract]

15.

Summarized Quarterly Financial Data (Unaudited)

Quarterly financial information for 2010 and 2011 is as follows (in thousands except per share data):


	Quarter
2010	First		Second		Third		Fourth
Revenues	$	157,901	$	159,283	$	147,597	$	171,951
Income from operations		59,926		58,691		38,249		58,905
Net income		36,379		35,657		23,341		35,883
Net income per share:
Basic	$	2.68	$	2.63	$	1.73	$	2.74
Diluted	$	2.65	$	2.60	$	1.72	$	2.73


	Quarter
2011	First		Second		Third		Fourth
Revenues	$	171,956	$	163,789	$	135,865	$	155,824
Income from operations		59,225		50,145		24,405		45,369
Net income		35,791		29,647		13,935		26,671
Net income per share:
Basic	$	2.81	$	2.54	$	1.20	$	2.31
Diluted	$	2.80	$	2.53	$	1.20	$	2.30

- 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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