Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019	[1]
Investments:
Fixed maturities available-for-sale, at fair value (cost: 2020 - $3,688.6, 2019 - $3,605.0; allowance for expected credit losses: 2020 - $40.2)	$ 3,707.4	$ 3,633.5
Equity securities, at fair value (cost: 2020 - $167.9; 2019 - $122.8)	147.5	124.4
Other investments (cost: 2020 - $384.6; 2019 - $482.5)	384.5	496.5
Short-term investments, at fair value (cost: 2020 - $611.8; 2019 - $844.8)	612.1	845.0
Total investments	4,851.5	5,099.4
Cash	187.7	137.8
Accrued investment income	23.4	25.7
Premiums receivable	800.2	688.2
Reinsurance recoverables	2,942.8	3,104.6
Goodwill	156.5	161.4
Intangible assets, net of accumulated amortization	91.1	91.8
Deferred tax asset, net	18.9	6.1
Deferred acquisition costs, net	153.5	160.2
Ceded unearned premiums	656.5	545.0
Operating lease right-of-use assets	87.2	91.8
Other assets	414.7	387.1
Assets held for sale	12.7	15.4
Total assets	10,396.7	10,514.5
Liabilities and Shareholders' Equity
Reserves for losses and loss adjustment expenses	5,216.3	5,157.6
Unearned premiums	1,481.2	1,410.9
Accrued underwriting expenses and other liabilities	154.8	226.0
Ceded reinsurance payable, net	1,042.7	1,203.1
Funds held	66.7	50.6
Senior unsecured fixed rate notes	140.1	140.0
Other indebtedness	181.0	181.3
Junior subordinated debentures	257.6	257.4
Current income taxes payable, net	27.1	0.8
Operating lease liabilities	99.2	105.7
Total liabilities	8,666.7	8,733.4
Commitments and contingencies (Note 14)
Shareholders' equity:
Common shares - $1.00 par, 500,000,000 shares authorized; 45,960,777 and 45,698,470 shares issued at June 30, 2020 and December 31, 2019, respectively	46.0	45.7
Additional paid-in capital	1,376.5	1,376.6
Treasury shares (11,315,889 shares at June 30, 2020 and December 31, 2019, respectively)	(455.1)	(455.1)
Retained earnings	756.7	811.1
Accumulated other comprehensive income, net of taxes	5.9	2.8
Total shareholders' equity	1,730.0	1,781.1
Total liabilities and shareholders' equity	$ 10,396.7	$ 10,514.5

[1] Derived from audited consolidated financial statements.