Summary of Significant Accounting Policies (Advertising, Freight and Other Income) (Details) - USD ($)	12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Advertising costs	$ 1,100,000	$ 1,000,000	$ 684,000
Freight costs	$ 27,300,000	$ 24,300,000	$ 22,300,000