Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 30, 2012	Mar. 25, 2011	Mar. 30, 2012	Mar. 25, 2011
Gross revenue	$ 101,118	$ 76,071	$ 310,231	$ 239,180
Less subcontractor costs and other direct reimbursable charges	25,983	18,323	87,745	63,519
Net service revenue	75,135	57,748	222,486	175,661
Interest income from contractual arrangements	56	95	229	308
Insurance recoverables and other income	554	392	1,292	3,302
Operating costs and expenses:
Cost of services (exclusive of costs shown seperately below)	62,910	48,912	184,245	147,201
General and administrative expenses	8,087	6,713	22,482	19,563
Provision for doubtful accounts	0	449	365	1,622
Depreciation and amortization	1,231	1,025	4,027	3,486
Arena Towers litigation expense (reversal)	0	0	(11,061)	0
Total operating costs and expenses	72,228	57,099	200,058	171,872
Operating income	3,517	1,136	23,949	7,399
Interest expense	(228)	(173)	(584)	(588)
Income from operations before taxes and equity in earnings	3,289	963	23,365	6,811
Federal and state income tax benefit (provision)	571	(16)	4,075	(702)
Income from operations before equity in earnings	3,860	947	27,440	6,109
Equity in earnings from unconsolidated affiliates, net of taxes	0	0	270	10
Net income	3,860	947	27,710	6,119
Net loss applicable to noncontrolling interest	21	5	70	39
Net income applicable to TRC Companies, Inc.	3,881	952	27,780	6,158
Accretion charges on preferred stock	0	0	0	(7,261)
Net income (loss) applicable to TRC Companies, Inc.'s common shareholders	$ 3,881	$ 952	$ 27,780	$ (1,103)
Basic earnings (loss) per common share	$ 0.14	$ 0.04	$ 1	$ (0.05)
Diluted earnings (loss) per common share	$ 0.13	$ 0.03	$ 0.97	$ (0.05)
Weighted-average common shares outstanding:
Basic	27,887	27,190	27,733	22,957
Diluted	28,943	27,921	28,619	22,957