Segment Information (Schedule of Property, Plant, and Equipment, Net, by Geographic Location) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 25, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	$ 191,154	$ 168,139
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	134,648	120,212
European Union (excluding United Kingdom)
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	717	793
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	53,855	44,981
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	594	565
Hong Kong
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	3	5
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	115	243
South Korea
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	185	202
Taiwan
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	337	231
Other Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	96	50
Other non-U.S. countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	$ 604	$ 857