Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2012

Schedule Of Changes In Carrying Amount Of Goodwill

Changes in the carrying amount of goodwill are as follows:

	Year Ended June 30, 2012
	Infrared Optics			Near- Infrared Optics		Military & Materials		Advanced Products Group		Total
Balance – July 1, 2011	$	10,038		$	33,511	$	10,399	$	10,314	$	64,262
Goodwill acquired		—			16,193		—		—		16,193
Foreign currency translation		(426	)		719		—		—		293
Balance – June 30, 2012	$	9,612		$	50,423	$	10,399	$	10,314	$	80,748

Schedule Of 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, 2012 and 2011 were as follows:

	June 30, 2012							June 30, 2011
($000)	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Patents	$	21,856	$	(7,640	)	$	14,216	$	16,009	$	(5,843	)	$	10,166
Tradenames		13,166		(888	)		12,278		11,074		(811	)		10,263
Customer Lists		25,816		(8,296	)		17,520		14,327		(6,024	)		8,303
Other		1,375		(1,375	)		—		1,387		(1,387	)		—
Total	$	62,213	$	(18,199	)	$	44,014	$	42,797	$	(14,065	)	$	28,732

Schedule Of Estimated Amortization Expense For Existing Intangible Assets For Each Of The 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,
($000)
2013	$	4,186
2014		3,744
2015		3,479
2016		3,411
2017		3,402

Aegis Lightwave, Inc. [Member]

Schedule Of Changes In Carrying Amount Of Goodwill

In connection with the acquisition of Aegis in July of 2011, the Company recorded the excess purchase price over the net assets of the business acquired as goodwill in the accompanying Condensed Consolidated Balance Sheets based on the purchase price allocation.

	Year Ended June 30, 2011
	Infrared Optics		Near- Infrared Optics		Military & Materials		Advanced Products Group		Total
Balance – July 1, 2010	$	9,525	$	32,335	$	3,914	$	10,314	$	56,088
Goodwill acquired		—		—		6,485		—		6,485
Foreign currency translation		513		1,176		—		—		1,689
Balance – June 30, 2011	$	10,038	$	33,511	$	10,399	$	10,314	$	64,262