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OTHER NONOPERATING EXPENSE, NET (Tables)
 9 Months Ended
Sep. 30, 2016
Other Income and Expenses [Abstract]  
Schedule of other non-operating expense, net
15.    OTHER NON-OPERATING INCOME / EXPENSE
Other non-operating income / expense comprised the following for the three and nine months ended September 30, 2016 and 2015:
 
For the Three Months Ended September 30,
 
For the Nine Months Ended September 30,
 
2016

 
2015

 
2016

 
2015

Interest income
$
90

 
$
109

 
$
483

 
$
339

Foreign currency exchange gain / (loss), net
630

 
(568
)
 
13,050

 
(9,768
)
Change in fair value of derivatives (Note 11)
(398
)
 
(2,443
)
 
(11,904
)
 
(5,673
)
Other income / (expense), net
65

 
(3,575
)
 
7

 
(7,020
)
Total other non-operating income / (expense)
$
387

 
$
(6,477
)
 
$
1,636

 
$
(22,122
)