COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies [Line Items]

Future Minimum Rental Payments for Operating Leases

The following table sets forth our operating lease payments for the periods indicated:

Operating Leases
(Millions of dollars)
2019	$	6.3
2020	5.1
2021	4.5
2022	4.3
2023	4.2
Thereafter	3.8
Total	$	28.2