CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Total operating revenues	$ 102.6	$ 272.2	$ 275.6	$ 534.5
Operating expenses:
Cost of restaurant revenue	100.8	231.6	253.9	458.6
Personnel costs	23.3	23.1	52.5	39.2
Depreciation and amortization	7.3	9.9	15.7	20.3
Other operating expenses	16.9	29.0	44.8	48.9
Goodwill impairment	0.0	0.0	7.7	0.0
Total operating expenses	148.3	293.6	374.6	567.0
Operating loss	(45.7)	(21.4)	(99.0)	(32.5)
Other income (expense):
Interest, investment and other income	8.3	1.4	10.5	12.4
Interest expense	(1.0)	(5.5)	(4.8)	(9.2)
Realized and other gains and losses, net	578.1	75.1	1,493.2	76.7
Total other income	585.4	71.0	1,498.9	79.9
Earnings before income taxes and equity in losses of unconsolidated affiliates	539.7	49.6	1,399.9	47.4
Income tax expense	131.1	7.1	300.5	1.1
Earnings before equity in earnings (losses) of unconsolidated affiliates	408.6	42.5	1,099.4	46.3
Equity in earnings (losses) of unconsolidated affiliates	57.5	(21.1)	4.8	(42.5)
Earnings from continuing operations	466.1	21.4	1,104.2	3.8
Net losses from discontinued operations, net of tax - see Note L	0.0	(2.5)	0.0	(4.8)
Net earnings (loss)	466.1	18.9	1,104.2	(1.0)
Less: Net loss attributable to non-controlling interests	(9.2)	(4.5)	(18.8)	(7.6)
Net earnings attributable to Cannae Holdings, Inc. common shareholders	475.3	23.4	1,123.0	6.6
Amounts attributable to Cannae Holdings, Inc. common shareholders
Net earnings from continuing operations attributable to Cannae Holdings, Inc. common shareholders	475.3	25.8	1,123.0	11.0
Net loss from discontinued operations attributable to Cannae Holdings, Inc. common shareholders	0.0	(2.4)	0.0	(4.4)
Net earnings attributable to Cannae Holdings, Inc. common shareholders	$ 475.3	$ 23.4	$ 1,123.0	$ 6.6
Basic
Net earnings per share from continuing operations (in usd per share)	$ 5.88	$ 0.36	$ 14.06	$ 0.15
Net loss per share from discontinued operations (in usd per share)	0	(0.03)	0	(0.06)
Net earnings per share (in usd per share)	5.88	0.33	14.06	0.09
Diluted
Net earnings per share from continuing operations (in usd per share)	5.87	0.36	14.00	0.15
Net loss per share from discontinued operations (in usd per share)	0	(0.03)	0	(0.06)
Net earnings per share (in usd per share)	$ 5.87	$ 0.33	$ 14.00	$ 0.09
Weighted Average Shares Outstanding
Weighted average shares outstanding Cannae Holdings common stock, basic basis (in shares)	80.8	71.6	79.9	71.6
Weighted average shares outstanding Cannae Holdings common stock, diluted basis (in shares)	81.0	71.9	80.2	71.8
Restaurant revenue
Revenues:
Total operating revenues	$ 99.4	$ 266.5	$ 269.3	$ 524.3
Other operating revenue
Revenues:
Total operating revenues	$ 3.2	$ 5.7	$ 6.3	$ 10.2