Summary of Significant Accounting Policies - Property, Equipment and Long-Lived Assets (Details) - USD ($)	12 Months Ended
	Mar. 31, 2019	Apr. 01, 2018	Mar. 26, 2017
Impairment of Long-Lived Assets
Impairment charges	$ 0	$ 0	$ 0
Minimum | Information technology equipment
Property and Equipment
Useful Lives	1 year
Minimum | Furniture, telephone system, equipment and tooling
Property and Equipment
Useful Lives	3 years
Minimum | Building, building improvements and leasehold improvements
Property and Equipment
Useful Lives	2 years
Maximum | Information technology equipment
Property and Equipment
Useful Lives	3 years
Maximum | Furniture, telephone system, equipment and tooling
Property and Equipment
Useful Lives	10 years
Maximum | Building, building improvements and leasehold improvements
Property and Equipment
Useful Lives	40 years