Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v2.4.0.6
Long-Term Debt (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 3 Months Ended 3 Months Ended 3 Months Ended
Mar. 31, 2013
Revolving Credit Facility [Member]
Dec. 31, 2012
Revolving Credit Facility [Member]
Mar. 31, 2013
Foreign Credit Facility [Member]
Dec. 31, 2012
Foreign Credit Facility [Member]
Mar. 31, 2013
Term Facility [Member]
Mar. 08, 2013
Term Facility [Member]
Mar. 31, 2013
Foreign Financial Institutions [Member]
Letter Of Credit [Member]
Dec. 31, 2012
Foreign Financial Institutions [Member]
Letter Of Credit [Member]
Mar. 31, 2013
Government Entity And Other Financial Institutions [Member]
Mar. 31, 2013
Loan Agreement [Member]
Mar. 08, 2013
Loan Agreement [Member]
Mar. 31, 2013
Loan Agreement [Member]
Acquisition Facility [Member]
Mar. 08, 2013
Loan Agreement [Member]
Acquisition Facility [Member]
Mar. 31, 2013
Minimum [Member]
Government Entity And Other Financial Institutions [Member]
Mar. 31, 2013
Maximum [Member]
Government Entity And Other Financial Institutions [Member]
Line Of Credit Facility And Long Term Debt [Line Items]                              
Monthly payments                           $ 0 $ 4
Line of credit facility, amount outstanding 13,374 20,000 1,289 3,995   10,000 1,895 1,488              
Credit facility maximum borrowing capacity                   30,000 30,000   10,000    
Credit facility current borrowing capacity           15,000                  
Credit facility remaining borrowing capacity         5,000                    
Credit facility expiration date                   Mar. 08, 2016          
Credit facility initiation date                   Mar. 08, 2013          
Minimum advance amount                         $ 1,000    
Amortization period         10 years             5 years      
Interest rate range, minimum                 2.00%            
Interest rate range, maximum                 5.50%