Quarterly Results of Operations (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)

Years Ended December 31,
(in thousands, except per share data)
2015	First		Second		Third		Fourth
Total Revenues	$	2,520,613	$	2,630,340	$	2,438,634	$	2,828,591
Total benefits and expenses	2,336,488		2,416,550		2,298,497		2,621,848
Income before income taxes	184,125		213,790		140,137		206,743
Net Income	125,114		130,391		83,534		163,127
Earnings Per Share:
Basic earnings per share	$	1.84	$	1.97	$	1.26	$	2.49
Diluted earnings per share	1.81		1.94		1.25		2.46
2014	First		Second		Third		Fourth
Total Revenues	$	2,657,173	$	2,833,020	$	2,716,588	$	2,697,413
Total benefits and expenses	2,457,733		2,532,485		2,484,773		2,420,670
Income before income taxes	199,440		300,535		231,815		276,743
Net Income	136,664		198,296		157,996		191,091
Earnings Per Share:
Basic earnings per share	$	1.94	$	2.87	$	2.30	$	2.78
Diluted earnings per share	1.92		2.84		2.28		2.75