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
6 Months Ended 6 Months Ended
Jun. 30, 2014
Revolving Credit Facility [Member]
Dec. 31, 2013
Revolving Credit Facility [Member]
Jun. 30, 2014
Foreign Credit Facility [Member]
Dec. 31, 2013
Foreign Credit Facility [Member]
Jun. 30, 2014
Term Facility [Member]
Feb. 28, 2014
Term Facility [Member]
Mar. 08, 2013
Term Facility [Member]
Jun. 30, 2014
Foreign Financial Institutions [Member]
Letter Of Credit [Member]
Dec. 31, 2013
Foreign Financial Institutions [Member]
Letter Of Credit [Member]
Jun. 30, 2014
Government Entity And Other Financial Institutions [Member]
Jun. 30, 2014
Loan Agreement [Member]
Mar. 08, 2013
Loan Agreement [Member]
Acquisition Facility [Member]
Jun. 30, 2014
Minimum [Member]
Government Entity And Other Financial Institutions [Member]
Jun. 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 17,907 10,320 2,542 997 8,954   10,000 0 340          
Credit facility maximum borrowing capacity           10,000 15,000       30,000 10,000    
Credit facility current borrowing capacity             15,000              
Credit facility remaining borrowing capacity             $ 5,000              
Interest rate range, minimum                   0.75%        
Interest rate range, maximum                   5.50%