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Changes in Cumulative Other Comprehensive Loss
 3 Months Ended
Mar. 31, 2018
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
CHANGES IN CUMULATIVE OTHER COMPREHENSIVE LOSS
CHANGES IN CUMULATIVE OTHER COMPREHENSIVE LOSS
The following tables summarize the changes in Cumulative other comprehensive loss for the three months ended March 31, 2018 and 2017:
 
 
 
 
 
 
 
 
 
 
(Thousands of dollars)
Foreign Currency Translation Adjustments
 
Pension and Other Postretirement Benefit Adjustments
 
Unrealized Net Gains on Available-for-Sale Securities
 
Unrealized Net Gains on Cash Flow Hedges
 
Total Cumulative Other Comprehensive (Loss) Income
Balance at December 31, 2017
$
(353,346
)
 
$
(84,863
)
 
$
2,320

 
$
51,019

 
$
(384,870
)
Amounts recognized in Other comprehensive loss 
52,732

 
 
 
 
 
 
 
52,732

Amounts reclassified from Other comprehensive loss (1)


 
(209
)
 
(2,320
)
 
(988
)
 
(3,517
)
Net change
52,732

 
(209
)
 
(2,320
)
 
(988
)
 
49,215

Balance at March 31, 2018
$
(300,614
)
 
$
(85,072
)
 
$
—

 
$
50,031

 
$
(335,655
)


(1) Net of taxes of $90 for pension and other postretirement benefit adjustments, $760 for realized gains on the sale of available-for-sale securities and $1,047 for realized gains on cash flow hedges.

 
 
 
 
 
 
 
 
 
 
(Thousands of dollars)
Foreign Currency Translation Adjustments
 
Pension and Other Postretirement Benefit Adjustments
 
Unrealized Net Gains on Available-for-Sale Securities
 
Unrealized Net Gains (Losses) on Cash Flow Hedges
 
Total Cumulative Other Comprehensive (Loss) Income
Balance at December 31, 2016
$
(501,277
)
 
$
(125,096
)
 
$
1,015

 
$
85,007

 
$
(540,351
)
Amounts recognized in Other comprehensive loss (2)
20,778

 
 
 
630

 
(30,754
)
 
(9,346
)
Amounts reclassified from Other comprehensive loss (3)
 
 
279

 
5

 
 
 
284

Net change
20,778

 
279

 
635

 
(30,754
)
 
(9,062
)
Balance at March 31, 2017
$
(480,499
)
 
$
(124,817
)
 
$
1,650

 
$
54,253

 
$
(549,413
)


(2) Net of taxes of $(389) for unrealized net gains on available-for-sale securities and $18,895 for unrealized net losses on cash flow hedges.
(3) Net of taxes of $(142) for pension and other postretirement benefit adjustments and $(3) for realized losses on the sale of available-for-sale securities.