Selected Quarterly Consolidated Financial Data

12 Months Ended

Dec. 31, 2011

Selected Quarterly Consolidated Financial Data [Abstract]

Selected Quarterly Consolidated Financial Data

25.

Selected Quarterly Consolidated Financial Data (unaudited)


2011	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Total revenue	$	508,083	$	578,523	$	557,396	$	505,556
Gross profit	$	140,964	$	147,796	$	145,196	$	125,071
Net income	$	49,589	$	52,259	$	71,361	$	33,698
Basic earnings per share
Net income	$	3.57	$	3.77	$	5.22	$	2.51
Diluted earnings per share
Net income	$	3.57	$	3.77	$	5.22	$	2.51
Shares used to compute basic earnings per share		13,890		13,852		13,680		13,405
Shares used to compute diluted earnings per share		13,906		13,856		13,680		13,405


2010	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Total revenue	$	395,126	$	469,841	$	471,777	$	460,648
Gross profit	$	120,408	$	132,201	$	135,922	$	126,928
Net income	$	42,138	$	39,856	$	45,719	$	49,412
Basic earnings per share
Net income	$	2.79	$	2.69	$	3.19	$	3.48
Diluted earnings per share
Net income	$	2.78	$	2.69	$	3.18	$	3.47
Shares used to compute basic earnings per share		15,118		14,796		14,353		14,209
Shares used to compute diluted earnings per share		15,154		14,828		14,383		14,235

- 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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