XML 36 R26.htm IDEA: XBRL DOCUMENT v3.4.0.3
Long-Term Debt (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Jun. 04, 2015
Line of Credit Facility [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity   $ 100,000,000.0
Amount outstanding $ 74,600,000  
Remaining borrowing capacity 22,700,000  
Letters of credit outstanding $ 2,700,000  
Minimum [Member]    
Line of Credit Facility [Line Items]    
Interest rate 2.59%  
Maximum [Member]    
Line of Credit Facility [Line Items]    
Interest rate 4.25%