v3.26.3
Pensions and Postretirement Benefits Other than Pensions (Tables)
 9 Months Ended
Sep. 30, 2026
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 millions2026202520262025
Service cost$6.2 $7.4 $17.7 $22.2 
Interest cost23.2 28.1 69.4 83.7 
Expected return on plan assets(25.6)(27.1)(76.7)(80.7)
Net amortization of:
Prior service costs (benefits)0.4 0.7 1.2 2.1 
Net actuarial (gains) losses3.2 4.1 9.7 12.0 
Net periodic pension benefit cost7.4 13.2 21.3 39.3 
Settlement losses— — 3.7 0.7 
Net periodic pension benefit cost after net settlement losses$7.4 $13.2 $25.0 $40.0 
Amounts recorded in continuing operations:
      Operating income$5.3 $6.4 $15.3 $18.9 
      Other income/(expense), net1.4 4.3 7.6 13.7 
Amounts recorded in discontinued operations0.7 2.5 2.1 7.4 
Total$7.4 $13.2 $25.0 $40.0 
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 millions2026202520262025
Service cost$0.3 $0.3 $0.7 $0.8 
Interest cost2.3 2.7 7.0 8.2 
Net amortization of:
Prior service costs (benefits)0.1 0.1 0.4 0.4 
Net actuarial (gains) losses(2.6)(3.2)(7.7)(9.6)
Net periodic postretirement benefit cost$0.1 $(0.1)$0.4 $(0.2)
Amounts recorded in continuing operations:
     Operating income$0.2 $0.3 $0.7 $0.8 
     Other income/(expense), net(0.1)(0.1)(0.3)(0.4)
Amounts recorded in discontinued operations— (0.3)— (0.6)
Total$0.1 $(0.1)$0.4 $(0.2)