CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues
Net premiums and contract charges earned	$ 275.2	$ 255.9
Net investment income	105.4	100.4
Net investment gains (losses)	2.2	(3.9)
Other income	3.2	1.5
Total revenues	386.0	353.9
Benefits, losses and expenses
Benefits, claims and settlement expenses	176.3	183.2
Interest credited	52.9	48.7
Operating expenses	84.5	79.8
DAC amortization expense	27.0	23.7
Intangible asset amortization expense	3.6	3.7
Interest expense	8.7	6.7
Total benefits, losses and expenses	353.0	345.8
Income before income taxes	33.0	8.1
Income tax expense	6.5	1.5
Net income	$ 26.5	$ 6.6
Net income per share
Basic (in usd per share)	$ 0.64	$ 0.16
Diluted (in usd per share)	$ 0.64	$ 0.16
Weighted average number of shares and equivalent shares
Basic (in shares)	41.3	41.3
Diluted (in shares)	41.5	41.4
Statements of Comprehensive Income (Loss)
Net income	$ 26.5	$ 6.6
Other comprehensive income (loss), net of tax:
Change in net unrealized investment losses on fixed maturity securities	(19.7)	93.2
Change in net reserve remeasurements attributable to discount rates	41.4	(41.2)
Change in net funded status of benefit plans	0.0	0.0
Other comprehensive income	21.7	52.0
Comprehensive income (loss)	$ 48.2	$ 58.6