Goodwill and Intangible Assets (Details 1) - USD ($) $ in Thousands	9 Months Ended
	Dec. 28, 2019	Mar. 30, 2019
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	21 years
Gross Carrying Amount	$ 192,751	$ 177,461
Accumulated Amortization	53,172	46,101
Non-amortizable repair station certifications	24,281	24,281
Gross Carrying Amount	$ 217,032	201,742
Product Approvals [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	24 years
Gross Carrying Amount	$ 50,878	50,878
Accumulated Amortization	$ 12,066	10,481
Customer Relationships And Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	23 years
Gross Carrying Amount	$ 109,328	96,458
Accumulated Amortization	$ 22,380	19,149
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	10 years
Gross Carrying Amount	$ 16,321	15,959
Accumulated Amortization	$ 8,534	7,447
Distributor Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	5 years
Gross Carrying Amount	$ 722	722
Accumulated Amortization	$ 722	722
Patents And Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	15 years
Gross Carrying Amount	$ 11,215	10,534
Accumulated Amortization	$ 5,923	5,540
Domain Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	10 years
Gross Carrying Amount	$ 437	437
Accumulated Amortization	$ 437	437
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	2 years
Gross Carrying Amount	$ 3,850	2,473
Accumulated Amortization	$ 3,110	$ 2,325