BUSINESS SEGMENTS (Details 2) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Sep. 24, 2016	Jun. 25, 2016	Mar. 26, 2016	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Summary by Geographical Area by Location
Net sales	$ 714,978	$ 680,779	$ 712,737	$ 637,473	$ 674,575	$ 610,247	$ 640,249	$ 596,605	$ 2,745,967	$ 2,521,676	$ 2,618,924
Long-lived assets	1,129,685				1,138,515				1,129,685	1,138,515	1,165,530
United States
Summary by Geographical Area by Location
Net sales									1,702,826	1,535,321	1,586,702
Long-lived assets	544,724				568,085				544,724	568,085	575,737
Australia
Summary by Geographical Area by Location
Net sales									356,959	315,470	347,975
Long-lived assets	$ 227,483				216,416				$ 227,483	216,416	259,326
Australia | Foreign country | Net Sales
Summary by Geographical Area by Location
Threshold for disclosure as percentage of net sales by customer	13.00%								13.00%
Denmark
Summary by Geographical Area by Location
Net sales									$ 100,773	99,719	98,628
Long-lived assets	$ 90,372				85,654				90,372	85,654	90,463
Other
Summary by Geographical Area by Location
Net sales									585,409	571,166	585,619
Long-lived assets	$ 267,106				$ 268,360				$ 267,106	$ 268,360	$ 240,004