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Long-Term Rental Prepayment (Details) - USD ($) $ in Thousands		12 Months Ended
	Mar. 29, 2019	Mar. 31, 2019	Mar. 31, 2018
Long-Term Rental Prepayment (Textual)
Long-term rental prepayment		$ 871
Konig Company [Member]
Long-Term Rental Prepayment (Textual)
Rental agreement, description		Kayser Myanmar has paid Konig Company $950 as prepaid rent under the lease, approximately 12 years of rental payments. Rental prepayment for $79 has been classified as current portion, which is expected to be utilized within twelve months.
Prepaid rent		$ 950
Long-term rental prepayment		$ 871
Rental Agreement [Member]
Long-Term Rental Prepayment (Textual)
Rental agreement, description	Company have entered into a 50-year rental agreement for a manufacturing complex in Yangon, Myanmar (the "New Facility").
Kayser Myanmar [Member]
Long-Term Rental Prepayment (Textual)
Non-controlling interest		16.00%
Rental agreement, description		The lease for the New Facility has a term of 50 years, Kayser Myanmar has the option to extend the lease term for two consecutive 10-year terms on the same terms and conditions as in effect for the initial 50-year period.
Monthly lease payment		$ 65
Kayser Myanmar [Member] | Myanmar Kyat [Member]
Long-Term Rental Prepayment (Textual)
Monthly lease payment		$ 10,000

X

- Definition

For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, long term rental prepayments

+ References

No definition available.

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- References

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- Definition

Description of rental agreement.

+ References

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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- Definition

Amount of asset related to consideration paid in advance for rent that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 10
-Section 05
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=68074540&loc=d3e5879-108316

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6787-107765

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 340
-SubTopic 10
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765

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- Definition

The amount of the monthly rental payments due under the lease entered into in connection with the transactions involving the sale of property to another party and the lease of the property back to the seller.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77913982&loc=d3e50796-112755

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