Income Taxes (Reconciliation between Federal statutory tax rate and effective tax rate reflected in accompanying financial statements) (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended	12 Months Ended
		Mar. 31, 2018	Dec. 23, 2017	Mar. 30, 2019		Mar. 31, 2018		Mar. 25, 2017
Reconciliation between Federal statutory tax rate and effective tax rate reflected in accompanying financial statements
Federal income tax based on statutory tax rate applied to income before taxes	[1]			$ 21,076		$ 32,692		$ 34,035
State income tax, net of federal income tax benefit				2,767		2,218		2,700
Tax Act	[2]					4,707
Tax settlements and adjustments				(1,864)
Other				(1,371)		(98)		(1,017)
Income tax expense, total				$ 20,608		$ 39,519		$ 35,718
Federal income tax based on statutory tax rate applied to income before taxes, percentage		21.00%	35.00%	21.00%	[1]	31.60%	[1]	35.00%	[1]
State income tax, net of federal income tax benefit, percentage				2.80%		2.10%		2.80%
Tax act, percentage	[2]					4.50%
Tax settlements and adjustments, percentage				(1.90%)
Other, percentage				(1.40%)				(1.10%)
Income tax expense, percentage				20.50%		38.20%		36.70%

[1] For fiscal 2018, represents the blended rate of 35% for 9/12 of the year and 21% for 3/12 of the year.

[2] Represents the net discrete adjustment to income tax expense primarily from the remeasurement of our net deferred tax assets at the lower U.S. corporate income tax rate.