Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2022

Equity [Abstract]

Schedule of accumulated other comprehensive income (loss)

The following table reconciles these components.

($ in millions)	Net Unrealized Investment  Gains (Losses)  on Securities(1)		Net Funded Status of Benefit Plans(1)		Total(1)
Beginning balance, January 1, 2022	$	290.7	$	(10.2)	$	280.5
Other comprehensive income (loss) before reclassifications	(284.8)		—		(284.8)
Amounts reclassified from AOCI(2)	14.1		—		14.1
Net current period other comprehensive income (loss)	(270.7)		—		(270.7)
Ending balance, March 31, 2022	$	20.0	$	(10.2)	$	9.8
Beginning balance, January 1, 2021	$	366.3	$	(11.2)	$	355.1
Other comprehensive income (loss) before reclassifications	(129.1)		—		(129.1)
Amounts reclassified from AOCI(2)	6.4		—		6.4
Net current period other comprehensive income (loss)	(122.7)		—		(122.7)
Ending balance, March 31, 2021	$	243.6	$	(11.2)	$	232.4

(1)All amounts are net of tax.

(2)The pretax amounts reclassified from AOCI, $(17.9) million and $(8.1) million, are included in Net investment losses and the related income tax expenses, $(3.8) million and $(1.7) million, are included in income tax expense in the Consolidated Statements of Operations for the three months ended March 31, 2022 and 2021, respectively.