Acquisitions (Tables)

6 Months Ended

Dec. 31, 2011

Business Acquisition [Line Items]

Unaudited Pro-Forma Consolidated Results Of Operations

	Three Months Ended December 31,				Six Months Ended December 31,
	2011		2010		2011		2010
Net revenues	$	126,757	$	129,644	$	265,130	$	256,648
Net earnings attributable to II-VI Incorporated		13,287		21,125		31,866		41,120
Basic earnings per share		0.21		0.34		0.51		0.65
Diluted earnings per share		0.21		0.33		0.50		0.63

Aegis Lightwave, Inc. [Member]

Business Acquisition [Line Items]

Purchase Price Of Assets Acquired And Liabilities Assumed

Assets
Short-term investment	$	565
Accounts receivable, net		4,572
Inventories		2,853
Prepaid and other assets		238
Deferred income taxes		9,976
Property, plant & equipment		2,933
Intangible assets		15,792
Goodwill		20,016
Total assets acquired	$	56,945
Liabilities
Accounts payable	$	1,375
Deferred income taxes		6,294
Long-term debt		1,295
Other accrued liabilities		1,840
Total liabilities assumed	$	10,804
Net assets acquired	$	46,141

Max Levy Autograph, Inc. [Member]

Business Acquisition [Line Items]

Purchase Price Of Assets Acquired And Liabilities Assumed

Assets
Accounts receivable, net	$	586
Inventories		275
Prepaid and other current assets		91
Deferred income taxes		171
Property, plant and equipment		2,845
Intangible assets		5,610
Goodwill		6,485
Total assets acquired	$	16,063
Liabilities
Accounts payable	$	154
Deferred income taxes		2,625
Other accrued liabilities		471
Total liabilities assumed	$	3,250
Net assets acquired	$	12,813