Income Taxes-Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Apr. 01, 2018	Apr. 02, 2017	Apr. 03, 2016
Income Tax Disclosure [Abstract]
Statutory federal income tax (percent)	31.50%	35.00%	35.00%
State income taxes, net of federal deduction (percent)	(8.30%)	4.80%	5.00%
ESOP dividend deduction on allocated shares (percent)	1.40%	(0.70%)	(0.70%)
Domestic production deduction (percent)	2.70%	(1.50%)	(1.50%)
Goodwill impairment (percent)	(81.70%)	0.00%	0.00%
Revaluation of net deferred tax liabilities (percent)	92.50%	0.00%	0.00%
Non-deductible acquisition costs (percent)	(0.00%)	(0.00%)	1.60%
Assessment related to state tax audit (percent)	(0.00%)	(0.00%)	0.60%
Other — net (percent)	1.00%	(0.20%)	0.20%
Total (percent)	39.10%	37.40%	40.20%