v3.25.3
Pensions and Postretirement Benefits Other than Pensions (Tables)
 9 Months Ended
Sep. 30, 2025
Pension Plan, Defined Benefit [Member]  
Schedule of Net Periodic Benefit Cost
The components of the Company's net periodic pension benefit cost for the three and nine months ended September 30 were as follows:
Three months ended Nine months ended
In millions2025202420252024
Service cost$7.4 $8.2 $22.2 $24.2 
Interest cost28.1 28.2 83.7 84.7 
Expected return on plan assets(27.1)(29.6)(80.7)(88.4)
Net amortization of:
Prior service costs (benefits)0.7 0.7 2.1 2.2 
Net actuarial (gains) losses4.1 3.8 12.0 11.3 
Net periodic pension benefit cost13.2 11.3 39.3 34.0 
Settlement losses— 1.0 0.7 1.0 
Net periodic pension benefit cost after net settlement losses$13.2 $12.3 $40.0 $35.0 
Amounts recorded in continuing operations:
      Operating income$6.4 $7.0 $18.9 $21.0 
      Other income/(expense), net4.3 3.6 13.7 9.0 
Amounts recorded in discontinued operations2.5 1.7 7.4 5.0 
Total$13.2 $12.3 $40.0 $35.0 
Other Postretirement Benefit Plan, Defined Benefit [Member]  
Schedule of Net Periodic Benefit Cost
The components of net periodic postretirement benefit cost for the three and nine months ended September 30 were as follows:
Three months ended Nine months ended
In millions2025202420252024
Service cost$0.3 $0.4 $0.8 $0.9 
Interest cost2.7 2.8 8.2 8.6 
Net amortization of:
Prior service costs (benefits)0.1 0.1 0.4 0.4 
Net actuarial (gains) losses(3.2)(3.3)(9.6)(9.9)
Net periodic postretirement benefit cost$(0.1)$— $(0.2)$— 
Amounts recorded in continuing operations:
     Operating income$0.3 $0.3 $0.8 $0.9 
     Other income/(expense), net(0.1)0.1 (0.4)0.1 
Amounts recorded in discontinued operations(0.3)(0.4)(0.6)(1.0)
Total$(0.1)$— $(0.2)$—