Pension Plan (Details Narrative) $ in Thousands	12 Months Ended
	Mar. 30, 2019 USD ($) Number	Mar. 31, 2018 USD ($)	Apr. 01, 2017 USD ($)
Pension Plan Entire Disclosure [Line Items]
Discount rate used in determining the accumulated postretirement benefit obligation	3.50%	3.70%
Cash contributions minimum	$ 750
Cash contributions maximum	$ 1,500
Minimum [Member]
Pension Plan Entire Disclosure [Line Items]
Target Allocation of Plan Assets in Equity	30.00%
Maximum [Member]
Pension Plan Entire Disclosure [Line Items]
Target Allocation of Plan Assets in Equity	70.00%
Schaublin Pension Plan [Member]
Pension Plan Entire Disclosure [Line Items]
Number of employees covered by the Schaublin pension plan | Number	146
Company contribution and premium payments	$ 887	$ 889	$ 875
Pension Plans [Member]
Pension Plan Entire Disclosure [Line Items]
Employer contributions	$ 1,889	1,714	1,585
Pension Plans [Member] | Minimum [Member]
Pension Plan Entire Disclosure [Line Items]
Employer Contribution Percentage	10.00%
Pension Plans [Member] | Maximum [Member]
Pension Plan Entire Disclosure [Line Items]
Employer Contribution Percentage	100.00%
Supplemental Employee Retirement Plan [Member]
Pension Plan Entire Disclosure [Line Items]
Eligible employee compensation	25.00%
Employer contributions	$ 312	$ 271	$ 256
Percentage Of Employees Annual Salary	1.75%