Quarterly report pursuant to Section 13 or 15(d)

Comprehensive Income (Details)

v3.4.0.3
Comprehensive Income (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning Balance $ 326,452  
Change in fair value of interest rate swap agreements (79) $ 0
Foreign currency translation adjustment 96 (164)
Ending Balance 322,965  
Foreign Currency    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning Balance (546) (209)
Change in fair value of interest rate swap agreements 0  
Foreign currency translation adjustment 96 (164)
Ending Balance (450) (373)
Hedge Instruments    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning Balance 0 0
Change in fair value of interest rate swap agreements (79)  
Foreign currency translation adjustment 0 0
Ending Balance (79) 0
Accumulated Other Comprehensive Loss    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning Balance (546) (209)
Change in fair value of interest rate swap agreements (79)  
Foreign currency translation adjustment 96  
Ending Balance $ (529) $ (373)