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CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)
 9 Months Ended
Sep. 30, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of changes in accumulated other comprehensive income (loss) (AOCI) by component
Changes in AOCI by component for the three and nine months ended September 30, 2017 and 2016 are as follows (in thousands):
 
Three Months ended September 30, 2017
 
Foreign
currency
translation
adjustments
 
Retirement
plans related
adjustments
 
Unrealized
gain (loss) on
cash flow
hedges
 
Accumulated
other
comprehensive
loss
Beginning balance, net of tax
$
24,228

 
$
(70,188
)
 
$
(63
)
 
$
(46,023
)
Other comprehensive income (loss) before reclassifications
266

 
160

 
(84
)
 
342

Less: (Loss) income reclassified from AOCI
—

 
(898
)
 
358

 
(540
)
Net other comprehensive income (loss)
266

 
1,058

 
(442
)
 
882

Income taxes
(259
)
 
147

 
(66
)
 
(178
)
Ending balance, net of tax
$
24,753

 
$
(69,277
)
 
$
(439
)
 
$
(44,963
)
 
Three Months Ended September 30, 2016
 
Foreign
currency
translation
adjustments
 
Retirement
plans related
adjustments
 
Unrealized
gain (loss) on
cash flow
hedges
 
Accumulated
other
comprehensive
loss
Beginning balance, net of tax
$
21,359

 
$
(67,815
)
 
$
(29
)
 
$
(46,485
)
Other comprehensive (loss) income before
reclassifications
(368
)
 
1,471

 
204

 
1,307

Less: (loss) income reclassified from AOCI
—

 
(1,560
)
 
126

 
(1,434
)
Net other comprehensive (loss) income
(368
)
 
3,031

 
78

 
2,741

Income taxes
256

 
53

 
13

 
322

Ending balance, net of tax
$
20,735

 
$
(64,837
)
 
$
36

 
$
(44,066
)
Schedule of reclassification out of AOCI
Details about reclassification out of AOCI for the three and nine months ended September 30, 2017 and 2016 are as follows (in thousands):
 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
Affected line item on the Consolidated Statements of Operations
Details of AOCI components
 
2017
 
2016
 
2017
 
2016
 
Unrealized gain (loss) on cash flow hedges: 
 
 

 
 

 
 
 
 
 
 
 
 
$
342

 
$
39

 
$
222

 
$
62

 
Sales
 
 
16

 
87

 
25

 
48

 
Other expense, net
 
 
358

 
126

 
247

 
110

 
Total before tax
 
 
69

 
21

 
60

 
18

 
Income taxes
 
 
$
427

 
$
147

 
$
307

 
$
128

 
Net of tax
Retirement plans related adjustments:
 
 

 
 

 
 
 
 
 
 
Amortization of prior service credit
 
$
79

 
$
64

 
$
233

 
$
191

 
(a)
Amortization of transition asset
 
—

 
78

 
—

 
234

 
(a)
Amortization of actuarial loss
 
(932
)
 
(937
)
 
(2,777
)
 
(2,808
)
 
(a)
Settlement loss
 
(45
)
 
(765
)
 
(75
)
 
(765
)
 
(a)
 
 
(898
)

(1,560
)

(2,619
)

(3,148
)
 
Total before tax
 
 
100

 
228

 
284

 
396

 
Income taxes
 
 
$
(798
)
 
$
(1,332
)
 
$
(2,335
)
 
$
(2,752
)
 
Net of tax
 
(a)  These AOCI components are included in the computation of net periodic pension and post retirement costs. See Note 11. "Pension and Postretirement Plans" for details.