SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) $ in Thousands	12 Months Ended
	Dec. 30, 2017 USD ($)
Components of accumulated other comprehensive income (loss)
Balance at the beginning of the period	$ (346,359)
Current-period comprehensive income (loss)	67,337
Balance at the end of the period	(279,022)
Foreign Currency Translation Adjustments
Components of accumulated other comprehensive income (loss)
Balance at the beginning of the period	(251,228)
Current-period comprehensive income (loss)	79,829
Balance at the end of the period	(171,399)
Unrealized Loss on Cash Flow Hedge
Components of accumulated other comprehensive income (loss)
Balance at the beginning of the period	7,978
Current-period comprehensive income (loss)	(1,621)
Balance at the end of the period	6,357
Defined Benefit Pension Plan
Components of accumulated other comprehensive income (loss)
Balance at the beginning of the period	(103,109)
Current-period comprehensive income (loss)	(10,871)
Balance at the end of the period	$ (113,980)