XML 88 R70.htm IDEA: XBRL DOCUMENT v3.19.1
OPERATING LEASES (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Dec. 25, 2016
Leases, Operating [Abstract]      
Operating leases, rent expense, net $ 2.0 $ 1.7 $ 1.3