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Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2024
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
Components of net periodic benefit expense for our pension plans for the three months ended March 31, 2024 and 2023 were as follows:
Three months ended
In millionsMarch 31,
2024
March 31,
2023
Service cost$0.4 $0.4 
Interest cost1.0 1.0 
Expected return on plan assets(0.1)(0.2)
Net periodic benefit expense$1.3 $1.2