Accounts Receivable - Current Portion of Accounts Receivable (Details) - USD ($) $ in Thousands	Dec. 30, 2016	Jun. 30, 2016
Accounts Receivable, Net, Current [Abstract]
Total accounts receivable - gross	$ 182,638	$ 157,577
Less allowance for doubtful accounts	(8,423)	(8,297)
Total accounts receivable, less allowance for doubtful accounts	174,215	149,280
Billed
Accounts Receivable, Net, Current [Abstract]
Total accounts receivable - gross	116,578	90,194
Unbilled
Accounts Receivable, Net, Current [Abstract]
Total accounts receivable - gross	62,333	64,954
Retainage
Accounts Receivable, Net, Current [Abstract]
Total accounts receivable - gross	$ 3,727	$ 2,429