OTHER NON-OPERATING EXPENSE (Notes)

12 Months Ended

Dec. 31, 2016

Other Income and Expenses [Abstract]

Other Income and Other Expense Disclosure [Text Block]

15.    OTHER NON-OPERATING INCOME / EXPENSE

Other non-operating income / expense comprised the following for the years ended December 31, 2016, 2015 and 2014:

	For The Year Ended December 31,
	2016			2015			2014
Interest income	$	592		$	440		$	294
Foreign currency exchange gain / (loss), net	6,648			(13,481		)	(12,767		)
Change in fair value of derivatives (Note 13)	(10,213		)	4,848			2,311
Other income / (expense), net	486			(17,746		)	267
Total other non-operating expense	$	(2,487	)	$	(25,939	)	$	(9,895	)