Unaudited Condensed Consolidated Statements Of Operations And Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
REVENUES:
Gross premiums written	$ 863.5	$ 880.6
Premiums ceded	(159.5)	(108.1)
Net premiums written	704.0	772.5
Change in unearned premiums	(123.9)	(204.0)
Net premiums earned	580.1	568.5
Net investment income	53.3	44.6
Net realized investment gains	18.9	45.0
Other income	0.6	0.9
Total revenues	652.9	659.0
EXPENSES:
Net losses and loss expenses	372.4	325.2
Acquisition costs	88.3	78.7
General and administrative expenses	96.4	97.1
Other expense	1.1	1.8
Amortization of intangible assets	2.5	0.6
Interest expense	20.0	14.4
Foreign exchange (gain) loss	(3.0)	9.9
Total expenses	577.7	527.7
Income before income taxes	75.2	131.3
Income tax expense	1.1	6.9
NET INCOME	74.1	124.4
Other comprehensive income: foreign currency translation adjustment	3.1	0.0
COMPREHENSIVE INCOME	$ 77.2	$ 124.4
PER SHARE DATA
Basic earnings per share	$ 0.82	$ 1.30
Diluted earnings per share	$ 0.81	$ 1.27
Weighted average common shares outstanding	90,254,512	95,935,551
Weighted average common shares and common share equivalents outstanding	91,559,225	97,577,029
Dividends paid per share	$ 0.26	$ 0.225