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PENSION AND OTHER POST-EMPLOYMENT BENEFITS (Tables)
 3 Months Ended
Mar. 31, 2019
Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]  
Schedule of components of the net periodic benefit cost
The following tables set forth the components of the net periodic benefit income for the Company’s pension and other post-employment benefit plans (in millions):
 
Pension Benefits
 
Other Benefits
 
Three Months Ended March 31,
 
Three Months Ended March 31,
 
2019
 
2018
 
2019
 
2018
Expected administrative expenses
$
0.4

 
$
0.2

 
$
—

 
$
—

Interest cost
2.5

 
2.5

 
0.1

 
—

Expected return on plan assets
(4.0
)
 
(4.6
)
 
—

 
—

Amortization of prior service credit
—

 
—

 
(0.2
)
 
(0.2
)
Recognized actuarial loss (gain)
0.1

 
0.4

 
—

 
—

Pension settlement charge (1)
0.2

 
—

 
—

 
—

Net periodic benefit income
$
(0.8
)
 
$
(1.5
)
 
$
(0.1
)
 
$
(0.2
)

(1) The pension settlement charge was related to cash payments from lump sum elections.