SUMMARY OF ACCOUNTING POLICIES - Revenue Recognition Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019	Sep. 27, 2019	Jun. 28, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 28, 2018	Jun. 29, 2018	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Accounting Policies [Abstract]
Net sales	$ 5,484,490	$ 6,461,387	$ 6,088,054	$ 6,175,939	$ 6,226,124	$ 6,922,827	$ 6,662,604	$ 6,398,956	$ 24,209,870	$ 26,210,511	$ 25,441,131
Gross profit	$ 365,627	$ 430,477	$ 189,093	$ 352,759	$ 380,295	$ 357,325	$ 402,301	$ 377,854	$ 1,337,956	$ 1,517,775	$ 1,595,882

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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