Quarterly Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Quarterly Information

			Earnings from Continuing Operations		Earnings from Continuing Operations per Common Share		Net Earnings per Common Share
	Revenue			Net Earnings	Basic	Diluted	Basic	Diluted
	(In thousands, except per share amounts)
2014
First quarter	$	1,610,737	49,098	48,232	0.93	0.92	0.91	0.90
Second quarter	1,684,571		75,694	75,358	1.43	1.42	1.43	1.41
Third quarter	1,687,150		83,967	83,689	1.60	1.58	1.59	1.57
Fourth quarter	1,656,316		11,700	11,296	0.22	0.22	0.21	0.21
Full year	$	6,638,774	220,459	218,575	4.18	4.14	4.14	4.11
2013
First quarter	$	1,563,017	40,802	39,924	0.79	0.79	0.77	0.77
Second quarter	1,603,999		62,575	62,194	1.21	1.19	1.20	1.19
Third quarter	1,634,540		73,875	71,067	1.41	1.40	1.36	1.35
Fourth quarter	1,617,729		65,944	64,607	1.25	1.24	1.23	1.22
Full year	$	6,419,285	243,196	237,792	4.67	4.63	4.57	$	4.53