Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2014

Selected Quarterly Financial Information [Abstract]

Schedule Of Quarterly Financial Information

	Quarter
(In thousands, except per share data)	First		Second		Third		Fourth		Total
2014
Revenue	$	620,276	$	702,987	$	743,586	$	721,048	$	2,787,897
Operating income	80,052		122,695		126,262		112,298		441,307
Net income	45,887		73,849		77,909		69,869		267,514
Earnings per share:
Basic and diluted	0.53		0.86		0.90		0.81		3.10
2013
Revenue	$	538,416	$	590,304	$	616,458	$	592,470	$	2,337,648
Operating income	65,944		97,573		98,076		76,845		338,438
Net income	40,553		58,255		60,149		47,156		206,113
Earnings per share:
Basic and diluted	0.47		0.68		0.70		0.55		2.39