v3.19.3.a.u2
ACCRUED LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2019
Accrued Liabilities, Current [Abstract]
Schedule of Accrued Liabilities [Table Text Block]
Accrued liabilities consisted of the following:
December 31,
2019
2018
(Thousands of Dollars)
Employee wages and benefit costs
$
36,704
$
29,518
Revenue contract liabilities
21,083
21,579
Interest rate swaps
19,169
—
Operating lease liabilities
10,416
—
Other
16,913
23,321
Accrued liabilities
$
104,285
$
74,418
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Tabular disclosure of the components of accrued liabilities.
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