Recent Accounting Pronouncements - Schedule of Adjustment to Opening Balance of Fiscal 2019 Retained Earnings (Details) - USD ($) $ in Thousands		3 Months Ended												12 Months Ended
	Jun. 24, 2018	Jun. 30, 2019	[1]	Mar. 31, 2019	[1]	Dec. 30, 2018	[1]	Sep. 30, 2018	[1]	Jun. 24, 2018	Mar. 25, 2018	Dec. 24, 2017	Sep. 24, 2017	Jun. 30, 2019	Jun. 24, 2018	Jun. 25, 2017
Retained Earnings Adjustments [Line Items]
Revenue earned in fourth quarter fiscal 2018 related to contracts open at June 24, 2018		$ 179,493		$ 179,989		$ 167,711		$ 181,611		$ 181,325	$ 165,867	$ 167,478	$ 164,242	$ 708,804	$ 678,912	$ 647,270
Less associated cost of sales														642,496	592,484	553,106
Less associated income tax														7,555	$ (1,491)	$ 10,898
ASU No. 2014-09 [Member]
Retained Earnings Adjustments [Line Items]
Revenue earned in fourth quarter fiscal 2018 related to contracts open at June 24, 2018	$ 8,593
Less associated cost of sales	7,992
Less associated income tax	142
Adjustment to retained earnings for contracts open at June 24, 2018	$ 459													$ 459

[1] The fiscal quarter ended September 30, 2018 is comprised of fourteen weeks.