SEGMENT REPORTING - Depreciation Expense Included in Operating Performance (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Segment reporting information
Depreciation	$ 422,407	$ 433,413	$ 434,432
Operating segments | High Reliability Solutions
Segment reporting information
Depreciation	103,266	96,854	97,114
Operating segments | Industrial & Emerging Industries
Segment reporting information
Depreciation	85,273	92,606	75,366
Operating segments | Communications & Enterprise Compute
Segment reporting information
Depreciation	89,286	103,162	118,150
Operating segments | Consumer Technologies Group
Segment reporting information
Depreciation	112,813	104,298	110,276
Operating segments | Corporate and Other
Segment reporting information
Depreciation	$ 31,769	$ 36,493	$ 33,526