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Employee Benefit Plans
 6 Months Ended
Jun. 30, 2024
Retirement Benefits [Abstract]  
Employee Benefit Plans Employee Benefit Plans
Defined Benefit Plans
The Company recognizes net periodic benefit cost based on the actuarial analysis performed at the previous year end, adjusted if certain significant events occur during the year. The components of net periodic benefit cost follows:
Three Months Ended
June 30,		Six Months Ended
June 30,
(in millions)
2024202320242023
Service cost$0.5 $0.6 $1.1 $1.1 
Interest cost1.5 1.5 3.0 3.1 
Expected return on plan assets(2.0)(2.1)(3.9)(4.1)
Amortization of unrecognized loss(1)
0.6 0.4 1.2 0.7 
Net periodic benefit cost$0.6 $0.4 $1.4 $0.8 
(1)Includes amortization of unrecognized actuarial (gain) loss and prior service credits and excludes provision for income tax of $(0.2) million and $(0.3) million for the three and six months ended June 30, 2024, respectively, and $(0.1) million and $(0.2) million for the three and six months ended June 30, 2023, respectively.
The components of net periodic benefit cost, other than the service cost component, are included in other non-operating expense, net.