Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net (loss) income	$ (232.5)	$ 104.7
Adjustments to reconcile net income to net cash provided from operations:
Net realized and unrealized investment losses (gains)	(19.7)	(183.3)
Amortization of premium on fixed maturity investments	3.8	(4.7)
Amortization of intangible assets	11.8	11.8
Depreciation and other amortization	5.0	6.3
Share-based compensation	1.7	7.9
Revaluation of contingent consideration	0.6	0.0
Net gain on sale of consolidated affiliate	(0.9)	0.0
Other operating items:
Net change in loss and loss adjustment expense reserves	296.8	274.1
Net change in reinsurance recoverable on paid and unpaid losses	(46.1)	(82.0)
Net change in funds held by ceding companies	54.3	(61.5)
Net change in unearned insurance and reinsurance premiums	24.0	212.4
Net change in ceded reinsurance payable	9.7	73.3
Net change in ceded unearned insurance and reinsurance premiums	0.5	(32.4)
Net change in insurance and reinsurance premiums receivable	(30.7)	(269.4)
Net change in deferred acquisition costs	6.4	(22.5)
Net change in funds held under reinsurance treaties	(15.7)	33.1
Net change in current and deferred income taxes, net	21.1	(4.8)
Net change in other assets and liabilities, net	25.4	24.9
Net cash provided from operating activities	115.5	87.9
Cash flows from investing activities:
Net change in short-term investments	(5.5)	(285.8)
Sales of fixed maturities and convertible fixed maturity investments	380.6	430.7
Maturities, calls, and paydowns of fixed maturity and convertible fixed maturity investments	223.5	239.4
Sales of common equity securities	858.5	212.6
Distributions, redemptions, and maturities of other long-term investments	22.8	53.6
Return of principal on loan participations	1.4	0.0
Sale of consolidated affiliate, net of cash sold	11.2	0.0
Contributions to other long-term investments	(30.5)	(46.5)
Purchases of common equity securities	(653.3)	(174.9)
Purchases of fixed maturities and convertible fixed maturity investments	(870.2)	(504.4)
Purchases of loan participation	(10.0)	0.0
Net change in unsettled investment purchases and sales	15.4	23.7
Other, net	(2.5)	0.8
Net cash (used for) investing activities	(58.6)	(50.8)
Cash flows from financing activities:
Payment of contingent consideration	(28.4)	0.0
Cash dividends paid to non-controlling interests	(1.0)	0.0
Change in collateral held on Interest Rate Cap	0.0	(0.1)
Net cash (used for) financing activities	(29.4)	(0.1)
Effect of exchange rate changes on cash	6.1	(9.4)
Net increase (decrease) in cash during period	33.6	27.6
Cash, restricted cash, and cash held for sale balance at beginning of period	150.6	132.2
Cash, restricted cash, and cash held for sale balance at end of period	$ 184.2	$ 159.8