Operating Segments (Tables)

12 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following tables present summarized financial information for the Company's operating segments (as of and for the periods noted below).

	Energy		Environmental		Infrastructure		Total
Year ended June 30, 2014:
Gross revenue	$	160,651	$	245,944	$	63,251	$	469,846
Net service revenue	132,795		170,506		46,975		350,276
Segment profit	26,468		35,324		8,754		70,546
Depreciation and amortization	3,253		2,703		426		6,382
Year ended June 30, 2013:
Gross revenue	$	138,189	$	240,820	$	59,940	$	438,949
Net service revenue	109,815		163,217		44,218		317,250
Segment profit	23,261		30,836		8,663		62,760
Depreciation and amortization	1,868		2,397		445		4,710
Year ended June 30, 2012:
Gross revenue	$	125,219	$	235,089	$	56,712	$	417,020
Net service revenue	96,018		159,016		43,528		298,562
Segment profit	23,517		31,955		7,738		63,210
Depreciation and amortization	1,171		1,996		479		3,646

	Years Ended
	June 30, 2014			June 30, 2013			June 30, 2012
Gross revenue
Gross revenue from reportable operating segments	$	469,846		$	438,949		$	417,020
Reconciling items(1)	5,831			2,568			2,939
Total consolidated gross revenue	$	475,677		$	441,517		$	419,959
Net service revenue
Net service revenue from reportable operating segments	$	350,276		$	317,250		$	298,562
Reconciling items(1)	4,680			3,153			3,218
Total consolidated net service revenue	$	354,956		$	320,403		$	301,780
Income from operations before taxes and equity in earnings
Segment profit from reportable operating segments	$	70,546		$	62,760		$	63,210
Corporate shared services(2)	(42,549		)	(38,174		)	(35,903		)
Arena Towers litigation reversal	—			—			11,061
Stock-based compensation expense	(4,658		)	(3,832		)	(6,550		)
Unallocated depreciation and amortization	(2,418		)	(2,193		)	(1,862		)
Interest expense	(169		)	(337		)	(668		)
Total consolidated income from operations before taxes and equity in earnings	$	20,752		$	18,224		$	29,288
Depreciation and amortization
Depreciation and amortization from reportable operating segments	$	6,382		$	4,710		$	3,646
Unallocated depreciation and amortization	2,418			2,193			1,862
Total consolidated depreciation and amortization	$	8,800		$	6,903		$	5,508

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(1) Amounts represent certain unallocated corporate amounts not considered in the CODM's evaluation of operating segment performance.

(2) Corporate shared services consists of centrally managed functions in the following areas: accounting, treasury, information technology, legal, human resources, marketing, internal audit and executive management such as the CEO and various executives. These costs and other items of a general corporate nature are not allocated to the Company's three operating segments.