ORGANIZATION OF THE COMPANY AND BASIS OF PRESENTATION - Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 28, 2018	Apr. 01, 2018	Mar. 31, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Contract assets	$ 418,158	$ 0	$ 0
Inventories	4,442,855		3,799,829
Other current assets	935,030		1,380,466
Other current liabilities	1,456,519		1,719,418
Other liabilities	532,561		531,587
Accumulated deficit	(2,902,492)		(3,144,114)
Balance without ASC 606 Adoption
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Contract assets	0	412,787
Inventories	4,858,478	3,390,577
Other current assets	943,089	1,328,987
Other current liabilities	1,490,846	1,631,521
Other liabilities		533,685
Accumulated deficit	(2,941,012)	$ (3,181,969)
Accounting Standards Update 2014-09 | Adjustments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Contract assets	(418,158)		412,787
Inventories	415,623		(409,252)
Other current assets	8,059		(51,479)
Other current liabilities	34,327		(87,897)
Other liabilities			2,098
Accumulated deficit	$ (38,520)		$ (37,855)