Segment Reporting (Tables)

3 Months Ended

Sep. 30, 2011

Segment Reporting [Abstract]

Schedule Of Financial Information Of Company's Operations By Segment

		0000000		0000000		0000000		0000000		0000000			0000000
	Three Months Ended September 30, 2011
	Infrared Optics		Near-Infrared Optics		Military & Materials		Advanced Products Group		Eliminations			Total
Revenues	$	50,796	$	38,110	$	23,659	$	25,808	$	—		$	138,373
Inter-segment revenues		658		222		1,752		784		(3,416	)		—
Segment earnings		12,357		1,708		2,962		6,008		—			23,035
Interest expense		—		—		—		—		—			(59	)
Other income, net		—		—		—		—		—			1,630
Income taxes		—		—		—		—		—			(5,892	)
Net earnings		—		—		—		—		—			18,714
Depreciation and amortization		2,195		4,215		963		937		—			8,310
Segment assets		201,558		270,608		92,295		101,467		—			665,928
Expenditures for property, plant and equipment		1,700		5,740		1,988		3,284		—			12,712
Equity investments		—		—		—		15,777		—			15,777
Goodwill		9,834		55,286		10,399		10,314		—			85,833

		0000000		0000000		0000000		0000000		0000000			0000000
	Three Months Ended September 30, 2010
	Infrared Optics		Near-Infrared Optics		Military & Materials		Advanced Products Group		Eliminations			Total
Revenues	$	41,226	$	36,945	$	20,135	$	21,828	$	—		$	120,134
Inter-segment revenues		513		51		1,340		1,066		(2,970	)		—
Segment earnings		8,648		6,881		3,721		3,411		—			22,661
Interest expense		—		—		—		—		—			(30	)
Other income, net		—		—		—		—		—			2,062
Income taxes		—		—		—		—		—			(6,292	)
Net earnings		—		—		—		—		—			18,401
Depreciation and amortization		2,031		3,412		578		813		—			6,834
Segment assets		215,434		181,641		54,515		85,497		—			537,087
Expenditures for property, plant and equipment		786		1,428		1,429		1,638		—			5,281
Equity investments		—		—		—		15,431		—			15,431
Goodwill		9,869		32,353		3,914		10,314		—			56,450