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Supplemental Financial Statement Information - (Tables)
6 Months Ended
Jun. 30, 2023
Other Income and Expenses [Abstract]  
Schedule of Other Expense, Net
Other income, net for the three and six months ended June 30, 2023 and 2022 was as follows:
(in millions)Three months ended June 30,Six months ended June 30,
2023202220232022
Rent and royalty income$0.7 $0.5 $1.3 $1.2 
Gains from disposal of property, plant and equipment, net— 0.2 0.3 0.2 
Net equity income (loss) on joint ventures (See Note 5)— 10.0 (0.3)10.4 
Litigation reserve — — — (8.6)
Total other income, net$0.7 $10.7 $1.3 $3.2 
Roll Forward of Restructuring Reserve Activity
Restructuring reserves for severance cost activity is as follows:
Severance and Employee
Benefit Costs
Balance at December 31, 2022$9.8 
Additions2.7 
Payments(0.8)
Balance at June 30, 2023$11.7