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LONG-TERM DEBT (Details) $ in Thousands	1 Months Ended	12 Months Ended
LONG-TERM DEBT (Details) $ in Thousands	May 18, 2020 USD ($)	Mar. 27, 2021 USD ($)	Mar. 28, 2020 USD ($)
Debt Instrument [Line Items]
Amount available		$ 10,000
Current portion of loan outstanding		$ 2,067	$ 1,982
Leverage ratio		0.94	1.53
2018 Term Loan [Member]
Debt Instrument [Line Items]
Interest rate for period		4.15%
Principal amount of loan		$ 15,000
Loan outstanding		10,600
Current portion of loan outstanding		2,100
Monthly principal payments		200
Borrowings used for business acquisitions		3,600	$ 13,800
2018 Term Loan [Member] \| Fiscal year 2022 [Member]
Debt Instrument [Line Items]
Monthly principal payments		2,100
2018 Term Loan [Member] \| Fiscal Year 2023 [Member]
Debt Instrument [Line Items]
Monthly principal payments		2,200
2018 Term Loan [Member] \| Fiscal year 2024 [Member]
Debt Instrument [Line Items]
Monthly principal payments		2,200
2018 Term Loan [Member] \| Fiscal year 2025 [Member]
Debt Instrument [Line Items]
Monthly principal payments		2,300
2018 Term Loan [Member] \| Fiscal year 2026 [Member]
Debt Instrument [Line Items]
Monthly principal payments		1,800
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Amount available		40,000
Amount outstanding		$ 8,900
Allowable leverage ratio		3.0
Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest rate for period		1.40%
Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate for period		2.70%
Revolving Credit Facility [Member] \| Manufacturers And Traders Trust Company [Member]
Debt Instrument [Line Items]
Extended agreement date	Oct. 20, 2022
Revolving credit commitment	$ 40,000
Amount used to pay tax obligations		$ 2,500
Capital Expenditures		$ 5,500
Revolving Credit Facility [Member] \| Manufacturers And Traders Trust Company [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Floor rate		1.00%
Revolving Credit Facility First [Member]
Debt Instrument [Line Items]
Allowable leverage ratio		3.0
Revolving Credit Facility Second Quarter [Member]
Debt Instrument [Line Items]
Allowable leverage ratio		5.0
Revolving Credit Facility Third Quarter [Member]
Debt Instrument [Line Items]
Allowable leverage ratio		5.5
Revolving Credit Facility Fourth Quarter [Member]
Debt Instrument [Line Items]
Allowable leverage ratio		7.0
Revolving Credit Facility First Quarter 2022 [Member]
Debt Instrument [Line Items]
Allowable leverage ratio		4.0