Pension and Postretirement Plans - Narratives (Details)			3 Months Ended	4 Months Ended	8 Months Ended	12 Months Ended
		Sep. 07, 2021 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 07, 2021 USD ($)	Dec. 31, 2022 USD ($) Plan	Dec. 31, 2020 USD ($)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Defined contribution plan, cost				$ 4,000,000.0	$ 9,700,000	$ 13,900,000	$ 13,100,000
Actuarial gains (losses) and prior service costs (benefits) recorded in accumulated other comprehensive loss		$ 101,600,000			101,600,000
Adjustments to goodwill						$ 35,000,000.0
United States [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Allocation percentage in united states based investments						50.00%
Cincinnati Plans and Hawaii Nonunion Plan [Member] | Equity Securities [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Target allocation, plan assets percentage						40.00%
Cincinnati Plans and Hawaii Nonunion Plan [Member] | Fixed Income Securities [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Target allocation, plan assets percentage						60.00%
Cincinnati Plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Number of noncontributory defined benefit pension plans | Plan						3
Hawaii Pension Plan for Union Employees [Member] | Equity Securities [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Target allocation, plan assets percentage						30.00%
Hawaii Pension Plan for Union Employees [Member] | Fixed Income Securities [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Target allocation, plan assets percentage						70.00%
Pension [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Decrease in benefit obligations		22,300,000
Postretirement [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Decrease in benefit obligations		$ 4,300,000
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Actuarial gains (losses) and prior service costs (benefits) recorded in accumulated other comprehensive loss				2,000,000.0		$ (5,100,000)
Settlements	[1]			1,900,000	7,400,000	7,500,000
Settlements	[1]			1,900,000	7,400,000	7,500,000
Actuarial gain	[2],[3]			(11,400,000)	(17,000,000.0)	(146,300,000)
Pension settlement charges				0	0	0	3,800,000
Pension Plans, Defined Benefit [Member] | Qualified Plan [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Contributions to pension plans				0	900,000	0	5,500,000
Pension Plans, Defined Benefit [Member] | Nonqualified Plan [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Contributions to pension plans				800,000	1,800,000	2,200,000	2,200,000
Expected future employer contributions, next fiscal year						2,000,000
Pension Plans, Defined Benefit [Member] | Cincinnati Plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Decrease in benefit obligations							6,000,000.0
Settlements							6,000,000.0
Pension settlement charges							(2,300,000)
Pension Plans, Defined Benefit [Member] | Hawaii Plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Decrease in benefit obligations				1,900,000	7,400,000	7,500,000	15,100,000
Settlements				1,900,000	7,400,000	7,500,000	15,100,000
Pension settlement charges					400,000		1,500,000
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Actuarial gains (losses) and prior service costs (benefits) recorded in accumulated other comprehensive loss				600,000		32,200,000
Settlements	[1]			0	0	0
Settlements	[1]			0	0	0
Actuarial gain	[2],[3]			(600,000)	(4,000,000.0)	(37,100,000)
Pension settlement charges				$ 0	$ 0	0	$ 0
Expected future employer contributions, next fiscal year						$ 7,000,000
Other Postretirement Benefit Plans, Defined Benefit [Member] | Hawaii Plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Actuarial gain			$ 4,700,000
Adjustments to postretirement and other benefits liability			45,900,000
Adjustments to goodwill			35,000,000.0
Adjustments to deferred income tax liabilities			$ 10,900,000

[1] Participant elections to take lump sum payments that exceeded the settlement accounting threshold and have been categorized as settlements.

[2] The actuarial (gain) recorded during the year ended December 31, 2022 and in the Successor and Predecessor periods in 2021 for the pension plans was primarily driven by an increase in the discount rate in each of the respective periods.

[3] The actuarial (gain) recorded for the year ended December 31, 2022 for the postretirement plans was primarily driven by an increase in the discount rate, updated census data and the result of actual versus expected benefit payments. The actuarial (gain) recorded in the Successor and Predecessor periods in 2021 for the postretirement plans was primarily due to an increase in the discount rate and the result of actual versus expected benefit payments.