Income Taxes (Deferred tax (liabilities) assets) (Details) - USD ($) $ in Thousands	Mar. 25, 2017	Mar. 26, 2016
Deferred tax (liabilities) assets
Goodwill	$ (39,715)	$ (31,075)
Other	(968)	(266)
Total deferred tax liabilities	(40,683)	(31,341)
Property and equipment	36,980	28,085
Insurance reserves	11,075	11,626
Warranty and other reserves	4,810	4,671
Stock options	2,509	3,040
Other	9,354	9,274
Total deferred tax assets	64,728	56,696
Net deferred tax assets	$ 24,045	$ 25,355