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Long-Term Debt (Details) - Revolving Credit Facility - Credit Agreement, June 2016 - USD ($)
1 Months Ended
Jun. 28, 2016
Jul. 31, 2016
Jun. 30, 2016
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 125,000,000    
Borrowings outstanding     $ 0
Available borrowings under facility     125,000,000
Letters of credit outstanding     $ 0
Subsequent Event      
Debt Instrument [Line Items]      
Borrowing under credit agreement   $ 50,000,000  
Other long-term assets      
Debt Instrument [Line Items]      
Debt issuance charges $ 1,100,000    
Minimum      
Debt Instrument [Line Items]      
Commitment fee percentage on unused portion 0.25%    
Maximum      
Debt Instrument [Line Items]      
Commitment fee percentage on unused portion 0.50%    
LIBOR      
Debt Instrument [Line Items]      
Basis spread on variable rate 1.75%    
Base Rate | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate 0.75%    
Base Rate | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate 1.25%    
Eurodollar | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate 1.75%    
Eurodollar | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate 2.25%