CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operations:
Net (loss) income	$ (191.4)	$ 593.1	$ 409.0
Charges (credits) to reconcile net income to net cash provided from (used for) operations:
Net realized and unrealized investment losses (gains)	108.3	(133.3)	27.4
Amortization of restricted share and option awards	13.0	14.8	18.5
Amortization and depreciation	25.7	22.4	20.4
Deferred income tax benefit	(8.4)	(11.4)	(12.5)
Net income from discontinued operations	0.0	(20.5)	(108.3)
Net loss (gain) on sale of discontinued operations	17.2	(557.0)	(415.1)
Other operating items:
Net change in unearned insurance premiums	39.2	54.5	31.7
Net change in deferred acquisition costs	(4.2)	(4.2)	(3.7)
Net change in restricted cash	(3.4)	0.0	0.0
Net change in other assets and liabilities, net	(27.1)	(20.8)	(146.1)
Net cash used for continuing operations	(31.1)	(62.4)	(178.7)
Net cash provided from discontinued operations (Note 19)	0.0	157.0	23.6
Net cash (used for) provided from operations	(31.1)	94.6	(155.1)
Cash flows from investing activities:
Net change in short-term investments	(39.0)	(1.7)	(27.2)
Sales of fixed maturity and convertible investments	1,848.5	2,124.4	2,605.8
Maturities, calls and paydowns of fixed maturity and convertible investments	141.0	213.4	253.4
Sales of common equity securities	169.9	424.1	815.9
Distributions and redemptions of other long-term investments	5.0	29.4	17.3
Sales of unconsolidated affiliates and consolidated subsidiaries, net of cash sold	0.0	1,131.0	2,646.2
Proceeds paid to non-controlling common shareholders from the sale of consolidated subsidiaries	0.0	0.0	(141.6)
Purchases of other long-term investments	(95.9)	(84.1)	(38.5)
Net settlement of investment cash flows and contributions with discontinued operations	0.0	167.7	(402.0)
Purchases of common equity securities	(328.3)	(881.2)	(278.3)
Purchases of fixed maturity and convertible investments	(970.2)	(2,365.2)	(4,407.0)
Purchases of consolidated subsidiaries, net of cash acquired of $90.9, including $53.4 of restricted cash	(295.2)	(27.6)	(13.4)
Net change in unsettled investment purchases and sales	27.6	0.0	0.0
Other investing activities, net	(4.2)	(14.7)	4.8
Net cash provided from investing activities — continuing operations	459.2	715.5	1,035.4
Net cash provided from investing activities — discontinued operations (Note 19)	0.0	3.0	241.4
Net cash provided from investing activities	459.2	718.5	1,276.8
Cash flows from financing activities:
Draw down of debt and revolving line of credit	84.1	376.0	352.5
Repayment of debt and revolving line of credit	(15.4)	(365.0)	(404.6)
Cash dividends paid to the Company’s common shareholders	(3.8)	(4.6)	(5.4)
Acquisitions of additional shares from non-controlling interest	(1.7)	(0.7)	0.0
Distributions from discontinued operations	0.0	45.2	57.2
Common shares repurchased	(511.9)	(714.6)	(881.3)
Proceeds from issuances of common shares	0.0	0.0	3.7
Capital contributions from non-controlling interest shareholders	1.3	0.5	0.0
Distributions to non-controlling interest shareholders	(6.0)	(2.0)	(1.1)
Payments to contingent considerations related to purchases of consolidated subsidiaries	(2.6)	0.0	(7.8)
Capital contributions from BAM members	53.8	37.4	38.0
Fidus Re premium payment	(3.7)	0.0	0.0
Other financing activities, net	(8.4)	(9.3)	(5.8)
Net cash used for financing activities — continuing operations	(414.3)	(637.1)	(854.6)
Net cash used for financing activities — discontinued operations (Note 19)	0.0	(61.9)	(93.8)
Net cash used for financing activities	(414.3)	(699.0)	(948.4)
Net change in cash during the period - continuing operations	13.2	16.0	2.1
Effect of exchange rate changes on cash	(0.6)	0.0	0.0
Cash balance at beginning of year	97.1	80.2	77.8
Add: cash held for sale at the beginning of period	0.0	0.9	1.2
Less: cash held for sale at the end of period	0.0	0.0	0.9
Cash balance at end of year	$ 110.3	$ 97.1	$ 80.2