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Accumulated Other Comprehensive Income (Tables)
3 Months Ended
Mar. 31, 2018
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Income

The components of accumulated other comprehensive income (loss) are detailed as follows (in thousands):

 

     Currency
Translation
     Unrealized Gain
(Loss) on
Retirement Plans
     Unrealized Gain
(Loss) on
Investments
     Accumulated
Other
Comprehensive
Income (Loss)
 

Balance at December 31, 2017

   $ (69,418    $ (37,103    $ (3,546    $ (110,067

Other comprehensive income, net of tax

     23,913        406        (2,883      21,436  
  

 

 

    

 

 

    

 

 

    

 

 

 

Balance at March 31, 2018

   $ (45,505    $ (36,697    $ (6,429    $ (88,631