Annual report pursuant to Section 13 and 15(d)

Debt (CredAg) (Details)

v3.3.1.900
Debt (CredAg) (Details) - USD ($)
$ in Thousands
Nov. 19, 2015
Dec. 08, 2014
Jun. 19, 2014
Dec. 31, 2015
Debt        
Term notes       $ 150,000
Credit Agreement        
Debt        
Credit facility amount $ 100,000 $ 100,000 $ 70,000  
Increase credit facility, amount   $ 25,000 $ 25,000  
Commitment fee   0.25% 0.25%  
Voting equity of foreign subsidiary pledged (as a percent) 66.00%      
Non-voting equity of foreign subsidiary pledged (as a percent) 100.00%      
Credit Agreement | LIBOR | Minimum        
Debt        
Spread on variable rate basis (as a percent) 1.50% 1.50% 1.25%  
Credit Agreement | LIBOR | Maximum        
Debt        
Spread on variable rate basis (as a percent) 3.25% 3.25% 1.75%  
Letter of credit        
Debt        
Credit facility amount $ 5,000 $ 5,000 $ 5,000  
Term Loan        
Debt        
Face amount 160,000      
Periodic payment $ 2,000      
Term notes       $ 150,000