SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 28, 2015	Dec. 27, 2014
Components of accumulated other comprehensive income (loss)
Balance at the beginning of the period	$ (134,433)
Current-period comprehensive income (loss)	(55,771)
Balance at the end of the period	(190,204)
Foreign Currency Translation Adjustments
Components of accumulated other comprehensive income (loss)
Balance at the beginning of the period	(99,618)
Current-period comprehensive income (loss)	(56,083)
Balance at the end of the period	(155,701)
Unrealized Loss on Cash Flow Hedge
Components of accumulated other comprehensive income (loss)
Balance at the beginning of the period	3,879
Current-period comprehensive income (loss)	312
Balance at the end of the period	4,191
Defined Benefit Pension Plan
Components of accumulated other comprehensive income (loss)
Balance at the beginning of the period		(38,694)
Balance at the end of the period	$ (38,694)	$ (38,694)