OTHER CURRENT AND LONG-TERM LIABILITIES (Other Current Liabilities) (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Other Liabilities Disclosure [Abstract]
Accrued bonuses and incentive compensation	$ 27,566	$ 16,834
Accrued employee benefits	21,735	17,165
Accrued and deferred rent	$ 18,213	$ 15,632