CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) shares in Thousands, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Insurance policy income		$ 625.3	$ 618.3	$ 1,254.0	$ 1,237.6
Net investment income:
General account assets		231.7	284.9	512.0	553.7
Policyholder and other special-purpose portfolios		87.1	49.6	(23.6)	136.6
Realized investment gains (losses):
Net realized investment gains (losses)		27.9	5.3	(32.2)	23.6
Change in allowance for credit losses and other-than-temporary impairment losses	[1]	15.9	0.0	(39.5)	(2.2)
Total realized gains (losses)		43.8	5.3	(71.7)	21.4
Fee revenue and other income		26.3	21.7	60.7	53.5
Total revenues		1,014.2	979.8	1,731.4	2,002.8
Benefits and expenses:
Insurance policy benefits		540.3	610.4	1,031.1	1,233.9
Interest expense		28.4	38.6	61.8	79.6
Amortization		88.5	46.2	138.7	104.4
Loss on extinguishment of debt		0.0	7.3	0.0	7.3
Other operating costs and expenses		251.6	229.6	465.4	464.3
Total benefits and expenses		908.8	932.1	1,697.0	1,889.5
Income before income taxes		105.4	47.7	34.4	113.3
Income tax expense (benefit):
Tax expense on period income		23.4	10.1	7.6	23.9
Valuation allowance for deferred tax assets and other tax items		0.0	0.0	(34.0)	0.0
Net income		$ 82.0	$ 37.6	$ 60.8	$ 89.4
Basic:
Weighted average shares outstanding (in shares)		143,421	158,816	144,625	159,882
Net income (in dollars per share)		$ 0.57	$ 0.24	$ 0.42	$ 0.56
Diluted:
Weighted average shares outstanding (in shares)		143,941	159,735	145,269	160,962
Net income (in dollars per share)		$ 0.57	$ 0.24	$ 0.42	$ 0.56

[1] No portion of the other-than-temporary impairments recognized in the 2019 periods was included in accumulated other comprehensive income.