Quarterly Financial Information (Unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information (Unaudited)

Quarterly Financial Information (Unaudited)

The following is a summary of quarterly financial data:

(In thousands. except per share data)	2012
Three months ended	March 31		June 30		September 30		December 31
Revenues	$	1,378,705	$	1,415,747	$	1,420,501	$	1,608,601
Net income	135,318		108,838		100,947		165,489
Net income per share(1)
Basic	0.98		0.79		0.74		1.22
Diluted	0.94		0.76		0.71		1.17

	2011
Three months ended	March 31		June 30		September 30		December 31
Revenues	$	1,234,351	$	1,270,949	$	1,279,731	$	1,370,953
Net income	115,590		82,184		76,410		117,027
Net income per share(1)
Basic	0.82		0.58		0.55		0.85
Diluted	0.78		0.56		0.53		0.82

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(1) Net income per share (“EPS”) in each quarter is computed using the weighted-average number of shares outstanding during that quarter, while EPS for the full year is computed using the weighted-average number of shares outstanding during the year. Thus, the sum of the four quarters EPS does not necessarily equal the full-year EPS.