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
3 Months Ended 3 Months Ended
Mar. 31, 2014
Revolving Credit Facility [Member]
Dec. 31, 2013
Revolving Credit Facility [Member]
Mar. 31, 2014
Foreign Credit Facility [Member]
Dec. 31, 2013
Foreign Credit Facility [Member]
Feb. 28, 2014
Term Facility [Member]
Mar. 08, 2013
Term Facility [Member]
Mar. 31, 2014
Foreign Financial Institutions [Member]
Letter Of Credit [Member]
Dec. 31, 2013
Foreign Financial Institutions [Member]
Letter Of Credit [Member]
Mar. 31, 2014
Government Entity And Other Financial Institutions [Member]
Mar. 31, 2014
Loan Agreement [Member]
Mar. 08, 2013
Loan Agreement [Member]
Acquisition Facility [Member]
Mar. 31, 2014
Minimum [Member]
Government Entity And Other Financial Institutions [Member]
Mar. 31, 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 17,501 10,320 1,089 997   10,000 625 340          
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%