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RETIREMENT PLANS AND OTHER BENEFITS (Tables)
6 Months Ended
Jun. 30, 2023
Retirement Benefits [Abstract]  
Schedule of components of net periodic cost Information regarding the Company’s plans, including the U.S. SERP, is as follows (in millions):
 
Three Months Ended
June 30,
Six Months Ended
June 30,
 2023202220232022
U.S. PensionNon-U.S. PensionOtherU.S. PensionNon-U.S. PensionOtherU.S. PensionNon-U.S. PensionOtherU.S. PensionNon-U.S. PensionOther
Components of net periodic cost:
  
Service cost$— $0.1 $— $— $0.2 $— $— $0.3 $— $— $0.4 $— 
Interest cost0.5 1.1 — 0.3 0.7 — 0.9 2.2 — 0.6 1.4 — 
Expected return on plan assets
— (0.8)— — (1.3)— — (1.6)— — (2.7)— 
Amortization of prior service cost
— 0.1 — — — — — 0.1 — — — — 
Amortization of actuarial (gain) loss
(0.1)0.5 — — 0.4 — (0.1)1.1 — 0.1 0.7 — 
Net periodic cost $0.4 $1.0 $— $0.3 $— $— $0.8 $2.1 $— $0.7 $(0.2)$—