Segment Information (Schedule of Property, Plant, and Equipment, Net, by Geographic Location) (Details) - USD ($) $ in Thousands	Mar. 27, 2021	Mar. 28, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	$ 154,942	$ 158,244
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	116,649	117,690
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	29,895	36,049
Rest of World
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	$ 8,398	$ 4,505