Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Other (Details)

v3.6.0.2
Long-Term Debt - Other (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Credit Agreement    
Debt covenants    
Minimum fixed charge coverage ratio 1.10  
Revolving Facility    
Long-Term Debt    
Revolving Facility $ 125,000 $ 125,000
Less: standby letters of credit (49,080) (55,096)
Capacity under Revolving Facility $ 75,920 $ 69,904
Debt Covenants Term Period One | Credit Agreement    
Debt covenants    
Maximum net leverage ratio 3.50  
Debt Covenants Term Period Two | Credit Agreement    
Debt covenants    
Maximum net leverage ratio 3.25  
Debt Covenants Term Period Three | Credit Agreement    
Debt covenants    
Maximum net leverage ratio 3.00