Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v2.4.0.8
Long-Term Debt (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Sep. 30, 2014
Revolving Credit Facility [Member]
Dec. 31, 2013
Revolving Credit Facility [Member]
Sep. 30, 2014
Foreign Credit Facility [Member]
Dec. 31, 2013
Foreign Credit Facility [Member]
Jun. 30, 2014
Term Facility [Member]
Sep. 30, 2014
Accordion Feature [Member]
Sep. 30, 2014
Foreign Financial Institutions [Member]
Letter Of Credit [Member]
Dec. 31, 2013
Foreign Financial Institutions [Member]
Letter Of Credit [Member]
Sep. 30, 2014
Government Entity And Other Financial Institutions [Member]
Sep. 30, 2014
Minimum [Member]
Government Entity And Other Financial Institutions [Member]
Sep. 30, 2014
Maximum [Member]
Government Entity And Other Financial Institutions [Member]
Line Of Credit Facility And Long Term Debt [Line Items]                        
Monthly payments                     $ 0 $ 3
Line of credit facility, amount outstanding   0 10,320 7,308 997 8,954   0 340      
Credit facility maximum borrowing capacity $ 30,000           $ 10,000          
Interest rate range, minimum                   0.75%    
Interest rate range, maximum                   5.50%