LEASES Leases (Tables)

3 Months Ended

Mar. 31, 2019

Schedule of Future Minimum Rental Payments for Operating Leases Under ASC 840 [Table Text Block]

The following table sets forth the required disclosures under Topic 842 for the comparative period under Topic 840, as reported in Note 15 of our Notes to the Consolidated Financial Statements in our Annual Report:



	December 31,
Future minimum lease payments under non-cancellable operating leases	2018
	(Millions of dollars)
2019	$	6.3
2020	5.1
2021	4.5
2022	4.3
2023	4.2
Thereafter	3.8
Total future minimum lease payments	$	28.2

Lessee, Operating Lease, Liability, Maturity [Table Text Block]




	March 31,
Future minimum lease payments under non-cancellable operating leases	2019
	(Millions of dollars)
2019 (excluding the three months ended March 31, 2019)	$	5.7
2020	7.4
2021	7.0
2022	6.7
2023	5.7
Thereafter	11.6
Total future minimum lease payments	$	44.1
Imputed interest	(5.6		)
Total operating lease liability	$	38.5

Consolidated balance sheets as of March 31, 2019
Current operating lease liability	$	6.2
Long-term operating lease liability	32.3
Total operating lease liability	$	38.5

Other Information Related to Operating Leases [Table Text Block]



	Three Months Ended
	March 31,
Other information related to operating leases	2019
	(Millions of dollars)

Weighted-average remaining lease term	7 years

Weighted-average discount rate	3.66%

Supplemental cash flows information
Lease payments	$	(2.2	)
Right-of-use assets obtained in exchange for lease obligations	$	8.7