Employee Benefit Plans (Details) - USD ($)	12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Defined Benefit Plan Disclosure [Line Items]
Maximum loss per emolyee under insurance claims	$ 300,000
Medical claims expenses	$ 15,500,000	$ 13,800,000	$ 15,700,000
401K Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer matching percentage	20.00%
Employee contribution rate, subject to match	4.00%
Vesting period	4 years
Employer matching contribution expense	$ 839,000	$ 728,000	$ 567,000
Maximum [Member] | 401K Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer matching percentage	50.00%
Employee contribution rate, subject to match	5.00%
Employer maximum match per employee	$ 1,000