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INCOME TAXES - Components of Deferred Tax Liabilities and Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Deferred tax assets:    
Employment costs $ 21.0 $ 34.2
Environmental reserves 29.2 30.9
Net operating loss carryforwards 54.3 52.8
Operating leases 11.8 16.1
Research and development 39.2 22.0
Capitalized and carryforward interest 18.2 6.3
Financial Derivatives 16.7 0.0
Other, net 54.4 43.7
Gross deferred tax assets 244.8 206.0
Valuation allowances (35.3) (19.6)
Total deferred tax assets, net of valuation allowances 209.5 186.4
Deferred tax liabilities:    
Property, plant and equipment (117.4) (47.4)
Goodwill and intangibles (337.3) (130.6)
Operating leases (12.0) (16.2)
Financial Derivatives 0.0 (6.7)
Other, net (11.7) (12.6)
Total deferred tax liabilities (478.4) (213.5)
Net deferred tax (liabilities) assets (268.9) (27.1)
Consolidated Balance Sheets:    
Non-current deferred income tax liabilities (342.5) (100.6)
Income Tax Contingency [Line Items]    
Deferred income taxes 342.5 100.6
Deferred Tax Liabilities Noncurrent    
Consolidated Balance Sheets:    
Non-current deferred income tax assets 73.6 73.5
Non-current deferred income tax liabilities (342.5) (100.6)
Income Tax Contingency [Line Items]    
Non-current deferred income tax assets 73.6 73.5
Deferred income taxes $ 342.5 $ 100.6