v3.3.1.900
ACCRUED LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2015
Accrued Liabilities, Current [Abstract]
Schedule of Accrued Liabilities [Table Text Block]
Accrued liabilities consisted of the following:
December 31,
2015
2014
(Thousands of Dollars)
Derivative liabilities
$
121
$
4,623
Employee wages and benefit costs
31,143
32,349
Unearned income
14,290
10,884
Other
9,640
13,169
Accrued liabilities
$
55,194
$
61,025
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Tabular disclosure of the components of accrued liabilities.
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