Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operations:
Net income	$ 104.1	$ 43.3
Adjustments to reconcile net income to net cash provided from operations:
Net realized and unrealized investment gains (losses)	(83.0)	(12.3)
Amortization of premium on fixed maturity investments	(0.8)	4.4
Amortization of intangible assets	3.9	3.9
Depreciation and other amortization	2.2	2.5
Share-based compensation	1.2
Other operating items:
Net change in loss and loss adjustment expense reserves	(1.1)	(4.2)
Net change in reinsurance recoverable on paid and unpaid losses	(8.7)	(17.8)
Net change in funds held by ceding companies	(20.1)	(12.2)
Net change in unearned insurance and reinsurance premiums	232.4	271.8
Net change in ceded reinsurance payable	37.7	47.6
Net change in ceded unearned insurance and reinsurance premiums	(47.6)	(71.6)
Net change in insurance and reinsurance premiums receivable	(208.8)	(192.2)
Net change in deferred acquisition costs	(14.2)	(31.8)
Net change in funds held under reinsurance treaties	15.4	10.4
Net change in current and deferred income taxes, net	9.1	2.2
Net change in other assets and liabilities, net	2.9	(21.6)
Net cash provided from operations	24.6	22.4
Cash flows from investing activities:
Net change in short-term investments	(120.1)	(180.0)
Sales of fixed maturities and convertible fixed maturity investments	135.1	566.2
Maturities, calls, and paydowns of fixed maturity and convertible fixed maturity investments	59.3	24.0
Sales of common equity securities	45.9	111.7
Distributions and redemptions of other long-term investments	15.3	52.4
Contributions to other long-term investments	(25.0)	(64.4)
Purchases of common equity securities	(39.8)	(179.8)
Purchases of fixed maturities and convertible fixed maturity investments	(105.1)	(486.8)
Net change in unsettled investment purchases and sales	10.0	97.2
Other, net	0.3	(0.9)
Net cash (used for) investing activities	(24.1)	(60.4)
Cash flows from financing activities:
Change in collateral held on Interest Rate Cap	(0.1)
Capital contribution from former parent		1.4
Net cash (used for) provided from financing activities	(0.1)	1.4
Effect of exchange rate changes on cash	(3.6)	(2.5)
Net (decrease) in cash during year	(3.2)	(39.1)
Cash and restricted cash balance at beginning of year	132.2	230.6
Cash and restricted cash balance at end of year	$ 129.0	$ 191.5