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RETIREMENT PLANS AND OTHER BENEFITS (Tables)
3 Months Ended
Mar. 31, 2021
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
March 31,
 20212020
U.S. PensionNon-U.S. PensionOtherU.S. PensionNon-U.S. PensionOther
Components of net periodic cost:
Service cost$— $0.2 $— $— $0.3 $— 
Interest cost0.3 0.6 — 0.3 0.7 — 
Expected return on plan assets
— (1.4)— — (1.3)— 
Amortization of actuarial (gain) loss
0.1 0.6 — — 0.5 — 
Net periodic cost $0.4 $— $— $0.3 $0.2 $—