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INCOME TAXES (Tables)
12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Income (loss) before income taxes, consisted of the following for the years set forth below (amounts in thousands):
 
2018
 
2017
 
2016
Domestic
$
(298
)
 
$
(65,422
)
 
$
(56,334
)
Foreign
20,105

 
12,546

 
19,860

 
$
19,807

 
$
(52,876
)
 
$
(36,474
)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] The income tax provision was as follows for the years set forth below (amounts in thousands):
 
2018
 
2017
 
2016
Current
 
 
 
 
 
Federal
$
(2,379
)
 
$
458

 
$
(2,040
)
State
(65
)
 
(614
)
 
(62
)
Foreign
11,497

 
10,574

 
6,063

 
9,053

 
10,418

 
3,961

Deferred
 

 
 

 
 

Federal

 

 

State

 

 

Foreign
(2,291
)
 
785

 
(680
)
 
(2,291
)
 
785

 
(680
)
Income tax provision
$
6,762

 
$
11,203

 
$
3,281

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] The income tax provision differs from the amount of income tax determined by applying the statutory U.S. federal income tax rate to pre-tax income (loss) as a result of the following:
 
2018
 
2017
 
2016
Statutory U.S. federal tax rate
21.0
 %
 
35.0
 %
 
35.0
 %
Unrecognized tax positions
(12.4
)
 
(2.3
)
 
6.5

Impact of foreign income
(8.8
)
 
(8.0
)
 
26.9

Valuation allowance
(0.2
)
 
16.5

 
(73.6
)
State taxes, net
0.3

 
0.8

 
0.1

Nondeductible royalty
3.8

 
(1.4
)
 
(1.9
)
Tax Cuts and Jobs Act
26.6

 
(62.7
)
 

Other, net
3.8

 
0.9

 
(2.0
)
Effective tax rate
34.1
 %
 
(21.2
)%
 
(9.0
)%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes.  Significant components of the Company’s deferred tax assets and liabilities at December 31, 2018 and 2017, were as follows (amounts in thousands):
 
2018
 
2017
Deferred tax assets:
 
 
 
Net operating loss carryforwards
$
121,804

 
$
118,303

Pension
5,718

 
5,462

Inventory
4,863

 
4,957

Warranty
4,376

 
4,847

Employee benefits and related costs
10,006

 
14,061

Prepaid royalties
4,780

 
4,383

Interest limitation
4,606

 

Other
19,360

 
20,930

Deferred tax assets
175,513

 
172,943

Deferred tax liabilities:
 

 
 

Fixed assets
(25,207
)
 
(28,769
)
Intangible assets
(3,474
)
 
(4,301
)
Other
(1,820
)
 
(1,396
)
Deferred tax liabilities
(30,501
)
 
(34,466
)
Subtotal
145,012

 
138,477

Valuation allowance
(151,554
)
 
(148,243
)
Net deferred tax liability
$
(6,542
)
 
$
(9,766
)
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] A reconciliation of the total amounts of unrecognized tax benefits at December 31 were as follows (amounts in thousands):
 
2018
 
2017
 
2016
Balance at January 1
$
9,365

 
$
12,468

 
$
14,698

     Increases to tax positions taken during the current year
19

 
127

 
288

     Increases to tax positions taken during the prior years

 
6,045

 
3,201

     Decreases to tax positions taken during prior years
(1,336
)
 
(858
)
 
(5,257
)
     Decreases due to lapse of statutes of limitations
(637
)
 
(297
)
 
(4
)
     Settlements

 
(8,095
)
 
(476
)
     Foreign exchange
(5
)
 
(25
)
 
18

Balance at December 31
$
7,406

 
$
9,365

 
$
12,468