Goodwill and Intangible Assets (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	22 years
Non-amortizable repair station certifications	$ 24,281	$ 34,200
Gross amount	201,742	222,644
Accumulated Amortization	$ 46,101	38,880
Product Approvals [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	24 years
Gross Carrying Amount	$ 50,878	50,878
Accumulated Amortization	$ 10,481	8,351
Customer Relationships And Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	24 years
Gross Carrying Amount	$ 96,458	106,583
Accumulated Amortization	$ 19,149	16,499
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	10 years
Gross Carrying Amount	$ 15,959	18,734
Accumulated Amortization	$ 7,447	6,765
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	16 years
Gross Carrying Amount	$ 10,534	9,657
Accumulated Amortization	$ 5,540	4,810
Domain Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	10 years
Gross Carrying Amount	$ 437	437
Accumulated Amortization	$ 437	430
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	3 years
Gross Carrying Amount	$ 2,473	1,433
Accumulated Amortization	$ 2,325	$ 1,303