Income Taxes (Deferred tax (liabilities) assets) (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Mar. 30, 2019
Deferred tax (liabilities) assets
Lease liabilities	$ (131,484)	$ (62,485)
Goodwill	(47,204)	(39,020)
Property and equipment	(18,232)	(12,036)
Other	(1,288)	(429)
Total deferred tax liabilities	(198,208)	(113,970)
Lease assets	169,366	94,244
Insurance reserves	10,192	9,071
Warranty and other reserves	4,317	3,360
Loss carryforwards	3,602	2,507
Other	6,846	6,954
Total deferred tax assets	194,323	116,136
Net deferred tax liabilities	$ (3,885)
Net deferred tax assets		$ 2,166