CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 25, 2015
Income Statement [Abstract]
Gross revenue	$ 180,851	$ 135,459
Less subcontractor costs and other direct reimbursable charges	56,546	35,296
Net service revenue	124,305	100,163
Interest income from contractual arrangements	34	15
Insurance recoverables and other income	637	742
Operating costs and expenses:
Cost of services (exclusive of costs shown separately below)	103,676	82,984
General and administrative expenses	10,839	7,121
Acquisition and integration expenses	0	878
Depreciation	1,788	1,424
Amortization	2,716	840
Total operating costs and expenses	119,019	93,247
Operating income	5,957	7,673
Interest income	278	0
Interest expense	(845)	(28)
Income from operations before taxes	5,390	7,645
Income tax provision	(1,731)	(3,157)
Net income	3,659	4,488
Net (income) loss applicable to noncontrolling interest	(20)	4
Net income applicable to TRC Companies, Inc.	$ 3,639	$ 4,492
Basic earnings per common share (in dollars per share)	$ 0.12	$ 0.15
Diluted earnings per common share (in dollars per share)	$ 0.12	$ 0.14
Weighted-average common shares outstanding:
Basic (shares)	31,149	30,635
Diluted (shares)	31,601	31,318