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Benefit Plans
3 Months Ended
Mar. 31, 2025
Retirement Benefits [Abstract]  
Benefit Plans Benefit Plans
Components of net periodic benefit expense for our pension plans for the three months ended March 31, 2025 and 2024 were as follows:
Three months ended
In millionsMarch 31,
2025
March 31,
2024
Service cost$0.3 $0.4 
Interest cost1.0 1.0 
Expected return on plan assets(0.2)(0.1)
Net periodic benefit expense$1.1 $1.3 
Components of net periodic benefit expense for our other post-retirement plans for the three months ended March 31, 2025 and 2024 were not material