DEBT AND LINES OF CREDIT (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Debts and Lines of credit
Current portion of long-term debt	$ 3,741	$ 27,339
Total short-term borrowings	5,614	32,985
Japanese revolving lines of credit
Debts and Lines of credit
Total short-term borrowings	712	5,231
Japanese receivables financing facilities
Debts and Lines of credit
Total short-term borrowings	$ 1,161	$ 415