Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Mar. 29, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the nine months ended March 29, 2013 by operating segment are as follows:

	Gross									Gross
	Balance,		Accumulated			Balance,				Balance,		Accumulated			Balance,
	July 1,		Impairment			July 1,		Additions /		March 29,		Impairment			March 29,
Operating Segment	2012		Losses			2012		Adjustments		2013		Losses			2013
Energy	$	21,893	$	(14,506	)	$	7,387	$	2,624	$	24,517	$	(14,506	)	$	10,011
Environmental	35,366		(17,865		)	17,501		$	848	36,214		(17,865		)	18,349
Infrastructure	7,224		(7,224		)	—		$	—	7,224		(7,224		)	—
	$	64,483	$	(39,595	)	$	24,888	$	3,472	$	67,955	$	(39,595	)	$	28,360

Schedule of Finite and Indefinite-Lived Intangible Assets

Identifiable intangible assets as of March 29, 2013 and June 30, 2012 are included in other assets on the condensed consolidated balance sheets and were comprised of:

	March 29, 2013							June 30, 2012
	Gross					Net		Gross					Net
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
Identifiable intangible assets	Amount		Amortization			Amount		Amount		Amortization			Amount
With determinable lives:
Customer relationships	$	9,099	$	(1,257	)	$	7,842	$	5,137	$	(562	)	$	4,575
Contract backlog	322		(144		)	178		11		(7		)	4
	9,421		(1,401		)	8,020		5,148		(569		)	4,579
With indefinite lives:
Engineering licenses	426		—			426		426		—			426
	$	9,847	$	(1,401	)	$	8,446	$	5,574	$	(569	)	$	5,005

Schedule of Expected Amortization Expense

Estimated amortization expense of intangible assets for the remainder of fiscal year 2013 and succeeding fiscal years is as follows:

Fiscal Year		Amount
2013		$	560
2014		2,122
2015		1,896
2016		1,448
2017		1,077
2018 and thereafter		917
	Total	$	8,020