Represents the number of non-core businesses finalized to be sold by the entity.

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Disposal Group, Including Discontinued Operation, Net Assets

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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 of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Amount classified as goodwill attributable to disposal group held for sale or disposed of.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The number of businesses acquired by the entity during the period.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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BUSINESS AND ASSET ACQUISITIONS & DIVESTITURES - Narrative (Details) $ in Thousands	1 Months Ended		3 Months Ended	12 Months Ended
	Sep. 29, 2017 USD ($)	Apr. 30, 2017 USD ($)	Sep. 28, 2018 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($) business	Mar. 31, 2017 USD ($) acquisition business
Business Acquisitions
Proceeds from divestiture of businesses						$ 30,700
Total aggregate purchase price				$ 12,796	$ 268,377	$ 189,084
Goodwill				$ 1,073,055	$ 1,121,170
Number of non-core businesses sold \| business						2
Other acquisitions
Business Acquisitions
Number of acquisitions completed					2	4
Total aggregate purchase price						$ 189,100
Goodwill						63,800
Purchased Intangible Assets						47,400
Liabilities incurred						$ 63,300
AGM Automotive
Business Acquisitions
Total aggregate purchase price		$ 213,718
Goodwill		75,280
Purchased Intangible Assets		$ 82,000
AGM Automotive \| Customer-related intangibles
Business Acquisitions
Intangible assets, weighted average useful life		10 years
Power Modules from Ericsson
Business Acquisitions
Total aggregate purchase price	$ 54,659
Goodwill	9,744
Purchased Intangible Assets	$ 33,300
Power Modules from Ericsson \| Customer-related intangibles
Business Acquisitions
Intangible assets, weighted average useful life	10 years
Finite-lived intangibles	$ 16,000
Power Modules from Ericsson \| Licenses and other intangibles
Business Acquisitions
Intangible assets, weighted average useful life	8 years
Finite-lived intangibles	$ 17,300
Bose
Business Acquisitions
Number of acquisitions completed \| business						2
Total aggregate purchase price						$ 161,700
Cash acquired from acquisitions						18,000
Inventories						73,100
Property and equipment, net						60,800
Liabilities assumed						$ 28,000
Bose \| Customer-related intangibles
Business Acquisitions
Intangible assets, weighted average useful life						6 years 6 months
Multek \| Disposed of by Sale
Business Acquisitions
Proceeds from divestiture of businesses			$ 267,100
Net assets transferred			231,400
Selling costs allocated to goodwill			$ 19,000