Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 29, 2019	Mar. 31, 2019
Summary of Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, Gross Carrying Amount	$ 88,076	$ 88,076
Finite-life intangible assets, Accumulated Amortization	(27,382)	(23,577)
Total finite-life intangible assets, Net	60,694	64,499
Indefinite-life intangible assets gross	1,227	1,227
Indefinite-life intangible assets, Accumulated Amortization	0	0
Indefinite-life intangible assets	1,227	1,227
Total Intangible Assets, Gross	89,303	89,303
Total intangible assets, net	61,921	65,726
Customer Relationships [Member]
Summary of Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, Gross Carrying Amount	78,383	78,383
Finite-life intangible assets, Accumulated Amortization	(20,277)	(16,910)
Total finite-life intangible assets, Net	58,106	61,473
Trademarks [Member]
Summary of Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, Gross Carrying Amount	6,045	6,045
Finite-life intangible assets, Accumulated Amortization	(3,509)	(3,115)
Total finite-life intangible assets, Net	2,536	2,930
Other finite-life intangible assets [Member]
Summary of Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, Gross Carrying Amount	3,648	3,648
Finite-life intangible assets, Accumulated Amortization	(3,596)	(3,552)
Total finite-life intangible assets, Net	$ 52	$ 96