XML 22 R33.htm IDEA: XBRL DOCUMENT v2.4.0.8
DERIVATIVE INSTRUMENTS (Tables)
 9 Months Ended
Sep. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
The fair value of outstanding derivative instruments not designated as hedging instruments on the accompanying Consolidated Balance Sheet was as follows (in thousands): 
Derivative Instruments
 
Balance Sheet Location
 
September 30, 2014
Contracts to purchase power
 
Other current liabilities
 
$
4,206

Contracts to purchase power
 
Other liabilities
 
25,415

The effect of derivative instruments not designated as hedging instruments on the accompanying Consolidated Statements of Operations was as follows (in thousands): 
Derivative Instruments
 
Statement of
Operations Location
 
Three Months Ended September 30, 2014
 
Nine Months Ended September 30, 2014
Canadian dollar foreign exchange forward contracts
 
Loss on foreign exchange
 
$
—

 
$
(6,209
)
Contracts to purchase power
 
Unrealized derivative loss
 
(23,691
)
 
(29,621
)