Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2014

Changes in the carrying amount of goodwill were as follows:

	Year Ended June 30, 2014
			Near-		Military		Advanced			Active
	Infrared		Infrared		&		Products			Optical
	Optics		Optics		Materials		Group			Products		Total

Balance-July 1, 2013	$	9,677	$	60,269	$	30,712	$	22,694		$	-	$	123,352
Goodwill acquired		-		-		-		-			73,093		73,093
Goodwill adjustment		-		-		-		(516	)		-		(516	)
Foreign currency translation		77		139		-		-			-		216
Balance-June 30, 2014	$	9,754	$	60,408	$	30,712	$	22,178		$	73,093	$	196,145

During the year ended June 30, 2014, the Company recorded an adjustment to goodwill of $0.5 million associated with the November 2012 acquisition of M Cubed Technologies, Inc. (“M Cubed”). This adjustment related to a change in deferred income tax assets and was recorded in conjunction with the finalization and filing of the M Cubed final income tax return.

	Year Ended June 30, 2013
			Near-		Military		Advanced
	Infrared		Infrared		&		Products
	Optics		Optics		Materials		Group		Total

Balance-July 1, 2012	$	9,612	$	48,496	$	12,326	$	10,314	$	80,748
Goodwill acquired		-		10,980		18,386		12,381		41,746
Foreign currency translation		65		793		-		-		858
Balance-June 30, 2013	$	9,677	$	60,269	$	30,712	$	22,694	$	123,352

Gross Carrying Amount and Accumulated Amortization

The gross carrying amount and accumulated amortization of the Company’s intangible assets other than goodwill as of June 30, 2014 and 2013 were as follows:

	Year Ended June 30, 2014							Year Ended June 30, 2013
	Gross					Net		Gross					Net
	Carrying		Accumulated			Book		Carrying		Accumulated			Book
	Amount		Amortization			Value		Amount		Amortization			Value

Technology and patents	$	50,505	$	(14,474	)	$	36,031	$	39,659	$	(10,455	)	$	29,204
Trademarks		17,870		(1,037	)		16,833		17,855		(963	)		16,892
Customer lists		102,839		(19,448	)		83,391		52,614		(12,189	)		40,425
Other		1,586		(1,437	)		149		1,580		(1,400	)		180
Total	$	172,800	$	(36,396	)	$	136,404	$	111,708	$	(25,007	)	$	86,701

Estimated Amortization Expense for Existing Intangible Assets for Each of Five Succeeding Years

The estimated amortization expense for existing intangible assets for each of the five succeeding years is as follows:

Year Ending June 30,
2015	$	11,716
2016		11,619
2017		11,609
2018		11,140
2019		10,715