CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues
Premiums and contract charges earned	$ 227.6	$ 236.3
Net investment income	95.5	82.3
Net investment losses	(9.0)	(18.5)
Other income	7.9	7.2
Total revenues	322.0	307.3
Benefits, losses and expenses
Benefits, claims and settlement expenses	134.3	138.7
Interest credited	50.6	51.5
Operating expenses	58.0	60.7
DAC unlocking and amortization expense	24.1	30.0
Intangible asset amortization expense	3.3	3.7
Interest expense	3.5	4.2
Total benefits, losses and expenses	273.8	288.8
Income before income taxes	48.2	18.5
Income tax expense	8.9	0.0
Net income	$ 39.3	$ 18.5
Net income per share
Basic (in usd per share)	$ 0.94	$ 0.44
Diluted (in usd per share)	$ 0.93	$ 0.44
Weighted average number of shares and equivalent shares
Basic (in shares)	41.9	41.8
Diluted (in shares)	42.1	42.0
Net income	$ 39.3	$ 18.5
Other comprehensive income (loss), net of tax:
Change in net unrealized investment gains (losses) on fixed maturity securities	(122.7)	(93.8)
Change in net funded status of benefit plans	0.0	0.0
Other comprehensive income (loss)	(122.7)	(93.8)
Comprehensive income (loss)	$ (83.4)	$ (75.3)