Annual report pursuant to Section 13 and 15(d)

Debt and Capital Lease Obligations (Details)

v2.4.0.8
Debt and Capital Lease Obligations (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Feb. 14, 2012
Line of Credit Facility [Line Items]    
Base reference rate of credit facilities LIBOR  
Basis spread on variable rate minimum (in hundredths)   1.10%
Interest rate spread above LIBOR as of reporting period (in hundredths) 1.30%  
Utilized for outstanding letters of credit $ 9,374  
Available borrowing capacity 140,626  
Credit Facility [Member]
   
Line of Credit Facility [Line Items]    
Senior credit facility amount   150,000
Base reference rate of credit facilities LIBOR  
Basis spread on variable rate minimum (in hundredths)   1.10%
Credit facility term (in years)   5