Consolidated Statement of Earnings - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
REVENUE
Net earned premium	$ 641,840	$ 572,248	$ 1,242,403	$ 1,134,860
Net investment income	54,738	56,438	108,220	113,244
Other operating income	9,700	9,983	18,919	19,249
Net realized investment gain	573	4,905	13,759	25,151
Total revenue	706,851	643,574	1,383,301	1,292,504
EXPENSE
Loss and loss adjustment expense, net	395,305	335,897	760,467	666,643
Policy acquisition costs, net	78,459	72,970	153,670	142,011
Other operating expense	111,266	90,198	188,749	177,250
Interest expense	7,264	6,865	15,030	13,984
Total expense	592,294	505,930	1,117,916	999,888
Earnings before income taxes	114,557	137,644	265,385	292,616
Income tax expense	34,140	40,508	72,051	87,569
Net earnings	$ 80,417	$ 97,136	$ 193,334	$ 205,047
Earnings per common share
Basic	$ 0.84	$ 0.97	$ 2.02	$ 2.05
Diluted	$ 0.84	$ 0.97	$ 2.01	$ 2.04