v3.8.0.1
Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Schedule of Financial Instruments, Measured at Fair Value on a Recurring and Non-recurring Basis
As at December 31, 2017, the fair value of the Company’s financial instruments, which are measured or disclosed at fair value, were as follows:
 
Fair Value Measurements Using  
Level 1    
$
 
Level 2    
$
 
Level 3    
$
Assets:
 
 
 
 
 
Cash equivalents:
 
 
 
 
 
Corporate bonds and commercial paper

 
9,965

 

Marketable securities:
 
 
 
 
 
U.S. term deposits
65,284

 

 

U.S. federal bonds
119,057

 

 

Canadian federal bonds
19,940

 

 

Corporate bonds and commercial paper

 
593,554

 

Derivative assets:
 
 
 
 
 
Foreign exchange forward contracts

 
4,503

 

 
 
 
 
 
 
Liabilities:
 
 
 
 
 
Derivative liabilities:
 
 
 
 
 
Foreign exchange forward contracts

 
795

 

As at December 31, 2016, the fair value of the Company’s financial instruments, which are measured or disclosed at fair value, were as follows: 
 
Fair Value Measurements Using  
Level 1   
 
Level 2
$
 
Level 3
$
Assets:
 
 
 
 
 
Cash equivalents:
 
 
 
 
 
U.S. federal bonds

 
9,994

 

Marketable securities:
 
 
 
 
 
U.S. term deposits
46,385

 

 

U.S. federal bonds
70,667

 

 

Corporate bonds and commercial paper

 
191,345

 

 
 
 
 
 
 
Liabilities:
 
 
 
 
 
Derivative liabilities:
 
 
 
 
 
Foreign exchange forward contracts

 
1,818