IDENTIFIED INTANGIBLE ASSETS (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2016	Dec. 27, 2015	Dec. 28, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 8.9	$ 5.7	$ 5.7
Expected amortization expense, 2017	7.1
Expected amortization expense, 2018	6.9
Expected amortization expense, 2019	5.3
Expected amortization expense, 2020	1.3
Expected amortization expense, 2021	$ 1.3