SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013
Foreign Currency Translation Adjustments
Balance at the beginning of the period	$ 30,576
Current-period comprehensive income (loss)	(12,603)
Balance at the end of the period	17,973
Unrealized Loss on Cash Flow Hedge
Balance at the beginning of the period	(2,935)
Current-period comprehensive income (loss)	100
Balance at the end of the period	(2,835)
Defined Benefit Pension Plan
Balance at the beginning of the period	16,297
Current-period comprehensive income (loss)	(936)
Balance at the end of the period	15,361
Accumulated other comprehensive income (loss)
Balance at the beginning of the period	43,938
Current-period comprehensive income (loss)	(13,439)
Balance at the end of the period	$ 30,499