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Income Taxes - Details of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Deferred tax assets:    
Stock compensation $ 3.7 $ 5.2
Net operating loss carry forwards 10.9 12.0
Other intangible assets 10.5 11.1
Accretion expense 3.2 3.2
Restructuring provision 1.7 2.0
Employee related liabilities 8.1 4.1
Foreign tax credits 0.8 1.9
Operating lease liabilities 11.8 10.6
Inventory provisions 6.6 3.6
Research and experimental expenditure 2.7 0.0
Other 4.8 3.8
Subtotal 64.8 57.5
Less valuation allowance (0.7) (0.8)
Total net deferred tax assets 64.1 56.7
Deferred tax liabilities:    
Property, plant and equipment (22.5) (23.6)
Intangible assets including goodwill (30.3) (29.8)
Pension asset (10.9) (38.2)
Customer relationships (3.4) (4.5)
Unremitted overseas earnings (1.9) (1.9)
Right-of-use assets (11.8) (10.6)
Other (3.6) (2.5)
Total deferred tax liabilities (84.4) (111.1)
Net deferred tax liability (20.3) (54.4)
Deferred tax assets 5.9 6.4
Deferred tax liabilities (26.2) (60.8)
Net deferred tax liability $ (20.3) $ (54.4)