XML 70 R56.htm IDEA: XBRL DOCUMENT v3.22.4
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Tax Credit Carryforward [Line Items]    
Deferred Tax Assets, Valuation Allowance $ 10.8 $ 5.4
Unrecognized tax benefits , if recognized, would favorably impact effective tax rate 70.0  
Unrecognized Tax Benefits, Interest on Income Taxes Accrued 0.4  
Deferred Tax Assets, Tax Credit Carryforwards 10.1 13.5
Deferred Income Tax Assets, Net [1] 0.6 2.2
Deferred tax liabilities and other long-term obligations 142.7 149.9
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit 68.4  
Deferred Tax Liabilities, Other 0.0 0.6
Deferred Tax Liabilities, Tax Deferred Expense, Compensation and Benefits Pension and Other Postretirement Benefits 0.0 $ (1.5)
Valuation allowances, State Tax Credits [Member]    
Tax Credit Carryforward [Line Items]    
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount $ 2.7  
[1] Included in "Other assets, net" on our accompanying December 31, 2022 and 2021 Consolidated Balance Sheets.