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Supplemental Operating Information
 12 Months Ended
Dec. 31, 2016
Other Nonoperating Income (Expense) [Abstract]  
Other Nonoperating Income and Expense
Supplemental Operating Information

Other Nonoperating (Expense) Income, Net

Other nonoperating (expense) income, net, included in the statements of operations follows:

 
Year Ended December 31,
 
2016
 
2015
 
2014
Other nonoperating expense, net
$
(3,989
)
 
$
(5,744
)
 
$
(3,050
)


Other nonoperating (expense) income, net, includes foreign currency (i) gains of $113 for 2016, (ii) losses of $854 for 2015, and (iii) losses of $235 for 2014 on the intercompany balances of our Canadian operations.