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Credit Facilities and Restricted Cash - Letters of Credit and Restricted Cash (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 28, 2014
Dec. 31, 2013
CREDIT FACILITIES AND RESTRICTED CASH [Abstract]    
Guarantees and letters of credit outstanding $ 51,817  
Current 11,988 18,798
Long-term 38,953 32,718
Total secured by restricted cash $ 50,941