Quarterly report pursuant to Section 13 or 15(d)

Subsequent Event (Details)

v3.5.0.2
Subsequent Event (Details)
Jul. 29, 2016
USD ($)
Aug. 01, 2011
USD ($)
Subsequent Event [Line Items]    
Credit facilities, maximum capacity   $ 50,000,000
Subsequent Event [Member] | Line of Credit [Member] | Revolving Credit Facility [Member]    
Subsequent Event [Line Items]    
Credit facilities, maximum capacity $ 100,000,000  
Accordion feature to increase maximum capacity $ 75,000,000  
Interest coverage ratio (percent) 3.0  
Leverage ratio (percent) 3.5  
Subsequent Event [Member] | Line of Credit [Member] | Swing Loans [Member]    
Subsequent Event [Line Items]    
Credit facilities, maximum capacity $ 15,000,000  
Subsequent Event [Member] | Line of Credit [Member] | Letter of Credit [Member]    
Subsequent Event [Line Items]    
Credit facilities, maximum capacity $ 5,000,000  
Euro Rate [Member] | Subsequent Event [Member] | Line of Credit [Member] | Revolving Credit Facility [Member]    
Subsequent Event [Line Items]    
Variable interest rate (percent) 2.00%  
Minimum [Member] | Euro Rate [Member] | Subsequent Event [Member] | Line of Credit [Member] | Revolving Credit Facility [Member]    
Subsequent Event [Line Items]    
Variable interest rate (percent) 1.25%  
Minimum [Member] | Base Rate [Member] | Subsequent Event [Member] | Line of Credit [Member] | Revolving Credit Facility [Member]    
Subsequent Event [Line Items]    
Variable interest rate (percent) 0.25%  
Maximum [Member] | Base Rate [Member] | Subsequent Event [Member] | Line of Credit [Member] | Revolving Credit Facility [Member]    
Subsequent Event [Line Items]    
Variable interest rate (percent) 1.00%