Income Taxes (Summary of Provision (Benefit) for Income Taxes, Statutory Federal Rate Pretax Income Reconciliation) (Details)	12 Months Ended
	Mar. 31, 2018	Mar. 25, 2017	Mar. 26, 2016
Income Tax Disclosure [Abstract]
U.S. federal statutory rate	31.60%	35.00%	35.00%
Foreign income taxed at different rates	(8.90%)	(8.60%)	(0.60%)
Transition tax on deferred foreign income	20.30%	0.00%	0.00%
Remeasurement of U.S. deferred tax balance	2.30%	0.00%	0.00%
Research and development tax credits	(2.50%)	(1.80%)	(5.60%)
Stock based compensation	(4.50%)	(7.30%)	0.00%
Other	0.60%	(0.20%)	1.00%
Effective tax rate	38.90%	17.10%	29.80%