ACCUMULATED OTHER COMPREHENSIVE LOSS
 3 Months Ended
Mar. 31, 2015
Equity [Abstract]  
ACCUMULATED OTHER COMPREHENSIVE LOSS
ACCUMULATED OTHER COMPREHENSIVE LOSS:
Accumulated other comprehensive loss is comprised of foreign currency exchange rate fluctuations at the Company’s Canadian subsidiary, changes in prior service costs and actuarial losses related to the Company’s pension plans, and unrealized gains and losses on short-term investments. The components of accumulated other comprehensive loss at March 31, 2015 and December 31, 2014 were as follows:
 
 
Foreign
Currency
Translation
 
Prior Service
Costs and
Actuarial Losses
on Benefit Plans
 
Unrealized
Losses
on
Investments
 
Total
Balance at December 31, 2014
 
$
(3,953
)
 
$
(51,595
)
 
$
(41
)
 
$
(55,589
)
Other comprehensive income/(loss) before reclassifications, net of tax
 
(9,620
)
 
—

 
30

 
(9,590
)
Amounts reclassified from accumulated other comprehensive loss, net of tax
 
—

 
966

 
—

 
966

Accumulated other comprehensive loss at March 31, 2015
 
$
(13,573
)
 
$
(50,629
)
 
$
(11
)
 
$
(64,213
)

Amounts reclassified from accumulated other comprehensive loss to net periodic pension expense during the three months ended March 31, 2015 and 2014 were as follows:
 
 
Three Months Ended
March 31,
 
 
2015
 
2014
Actuarial losses and prior service costs
 
$
1,547

 
$
1,782

Tax expense
 
(581
)
 
(677
)
Total reclassifications
 
$
966

 
$
1,105



These amounts have been used in the calculation of net periodic benefit cost for the three months ended March 31, 2015 and 2014. Refer to Note 14 for further information about the Company’s benefit plans.