CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 25, 2016	Mar. 27, 2015	Mar. 25, 2016	Mar. 27, 2015
Income Statement [Abstract]
Gross revenue	$ 158,130	$ 130,777	$ 451,332	$ 397,030
Less subcontractor costs and other direct reimbursable charges	36,877	29,783	118,534	103,579
Net service revenue	121,253	100,994	332,798	293,451
Interest income from contractual arrangements	27	23	69	67
Insurance recoverables and other income	146	753	1,919	6,238
Operating costs and expenses:
Cost of services (exclusive of costs shown separately below)	104,030	83,486	280,690	247,275
General and administrative expenses	9,523	8,927	24,690	25,360
Acquisition and integration expenses	1,606	0	3,724	0
Goodwill, Impairment Loss	24,465	0	24,465	0
Depreciation	1,942	1,303	5,070	4,481
Amortization	3,162	905	5,078	2,633
Total operating costs and expenses	144,728	94,621	343,717	279,749
Operating (loss) income	(23,302)	7,149	(8,931)	20,007
Interest income	189	0	326	0
Interest expense	(1,073)	(73)	(1,562)	(125)
(Loss) income from operations before taxes	(24,186)	7,076	(10,167)	19,882
Income tax benefit (provision)	9,954	(1,916)	4,358	(7,244)
Net (loss) income	(14,232)	5,160	(5,809)	12,638
Net (income) loss applicable to noncontrolling interest	(65)	5	(59)	14
Net (loss) income applicable to TRC Companies, Inc.	$ (14,297)	$ 5,165	$ (5,868)	$ 12,652
Basic earnings per common share (in dollars per share)	$ (0.46)	$ 0.17	$ (0.19)	$ 0.42
Diluted earnings per common share (in dollars per share)	$ (0.46)	$ 0.17	$ (0.19)	$ 0.41
Weighted-average common shares outstanding:
Basic (shares)	31,045	30,382	30,886	30,233
Diluted (shares)	31,045	30,737	30,886	30,551