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RETIREMENT PLANS AND OTHER BENEFITS (Tables)
9 Months Ended
Sep. 30, 2020
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
September 30,
Nine Months Ended
September 30,
 2020201920202019
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$— $0.4 $— $— $0.4 $— $— $1.0 $— $0.1 $1.1 $— 
Interest cost0.3 0.7 — 0.5 0.8 — 1.0 2.0 0.1 1.3 2.6 0.1 
Expected return on plan assets
— (1.3)— — (1.1)— — (3.9)— — (3.5)— 
Amortization of actuarial (gain) loss
0.1 0.3 — (0.1)0.4 — 0.1 1.3 — (0.4)1.2 — 
Net periodic cost $0.4 $0.1 $— $0.4 $0.5 $— $1.1 $0.4 $0.1 $1.0 $1.4 $0.1