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Debt Table (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Jun. 24, 2014
Loans Payable [Abstract]      
Term loan, weighted average interest rate 1.745% 1.555%  
Term Loan $ 191,250 $ 216,750 $ 255,000
Less: Short-term debt 25,500 25,500  
Long-term debt $ 165,750 $ 191,250