v3.24.2
Post-retirement benefits (Tables)
 6 Months Ended
Jun. 29, 2024
Postemployment Benefits [Abstract]  
Schedule of Components of Net Periodic Benefit Income for Pensions and Other Post-Retirement Benefits
The components of the net periodic benefit cost (income) for pensions and other post-retirement benefits were as follows:
Three months ended June 29, 2024Three months ended July 1, 2023
(dollars in millions)
Pensions
Other post-retirement benefits
Total
Pensions
Other post-retirement benefits
Total
Reported in operating income:
—Employer service cost$1.0 $— $1.0 $0.9 $— $0.9 
Reported outside of operating income:
—Interest cost6.1 0.3 6.4 6.3 0.3 6.6 
—Expected return on plan assets(6.4)— (6.4)(6.6)— (6.6)
—Net amortization of prior period losses (gains)0.2 (0.8)(0.6)(0.1)(0.7)(0.8)
Net periodic benefit cost (income)$0.9 $(0.5)$0.4 $0.5 $(0.4)$0.1 
Cash Contributions$1.6 $0.7 $2.3 $1.6 $0.8 $2.4 

Six months ended June 29, 2024Six months ended July 1, 2023
(dollars in millions)
Pensions
Other post-retirement benefits
Total
Pensions
Other post-retirement benefits
Total
Reported in operating income:
—Employer service cost$2.0 $— $2.0 $1.9 $— $1.9 
Reported outside of operating income:
—Interest cost12.2 0.6 12.8 12.5 0.7 13.2 
—Expected return on plan assets(12.9)— (12.9)(13.0)— (13.0)
—Net amortization of prior period losses (gains)0.4 (1.6)(1.2)(0.1)(1.6)(1.7)
Net periodic benefit cost (income)$1.7 $(1.0)$0.7 $1.3 $(0.9)$0.4 
Cash Contributions$3.2 $1.7 $4.9 $3.7 $1.9 $5.6