ORGANIZATION OF THE COMPANY AND BASIS OF PRESENTATION - Condensed Consolidates Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 29, 2018	Jun. 30, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net sales	$ 6,423,956	$ 6,008,272
Cost of sales	6,046,102	5,601,340
Gross profit	377,854	406,932
Net income	116,035	$ 124,710
Balance without ASC 606 Adoption
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net sales	6,525,930
Cost of sales	6,143,243
Gross profit	382,687
Net income	120,868
Accounting Standards Update 2014-09 | Adjustments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net sales	(101,974)
Cost of sales	(97,141)
Gross profit	(4,833)
Net income	$ 4,833