DETAILS OF CERTAIN BALANCE SHEET ACCOUNTS - Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Property, Plant and Equipment [Line Items]
Depreciation	$ 46,100	$ 40,600	$ 21,100
Property, Plant and Equipment, Net [Abstract]
Land	15,112	16,418
Buildings and improvements (useful life: 7-30 years)	132,153	138,000
Machinery and equipment (useful life: 2-10 years)	170,756	158,326
Software (useful life: 5-10 years)	60,552	68,985
Construction in progress	6,934	13,100
Property, plant, and equipment, gross	385,507	394,829
Accumulated depreciation and amortization	(219,649)	(190,003)
Property, plant, and equipment, net	165,858	204,826
Unamortized capitalized software costs	19,100	30,600
Amortization expense related to capitalized software costs	$ 10,100	$ 11,000	$ 4,900
Building and improvements \| Minimum
Property, Plant and Equipment, Net [Abstract]
Useful life	7 years
Building and improvements \| Maximum
Property, Plant and Equipment, Net [Abstract]
Useful life	30 years
Machinery and equipment \| Minimum
Property, Plant and Equipment, Net [Abstract]
Useful life	2 years
Machinery and equipment \| Maximum
Property, Plant and Equipment, Net [Abstract]
Useful life	10 years
Software \| Minimum
Property, Plant and Equipment, Net [Abstract]
Useful life	5 years
Software \| Maximum
Property, Plant and Equipment, Net [Abstract]
Useful life	6 years

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount of expense for amortization of capitalized computer software costs.

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Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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