XML 43 R33.htm IDEA: XBRL DOCUMENT v3.5.0.2
Accumulated Other Comprehensive Loss - Components of Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Accumulated Other Comprehensive Income Loss [Line Items]        
Beginning Balance     $ 290,311  
Unrealized gain on derivative instruments, net of tax $ (2) $ (706) 74 $ 230
Unrealized gain on debt securities, net of tax 3,008   539  
Foreign currency translation adjustment 820 $ (365) 1,471 $ (3,666)
Ending Balance 273,180   273,180  
Currency Translation Adjustments [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Beginning Balance     (4,389)  
Foreign currency translation adjustment     1,471  
Ending Balance (2,918)   (2,918)  
Derivatives [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Beginning Balance     228  
Unrealized gain on derivative instruments, net of tax     74  
Ending Balance 302   302  
Debt Securities [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Beginning Balance     (2,071)  
Unrealized gain on debt securities, net of tax     539  
Ending Balance (1,532)   (1,532)  
Accumulated Other Comprehensive Loss [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Beginning Balance     (6,232)  
Ending Balance $ (4,148)   $ (4,148)