Earnings Per Share (Tables)

3 Months Ended

Sep. 30, 2011

Earnings Per Share [Abstract]

Schedule Of Computation Of Earnings Per Share

	Three Months Ended September 30,
	2011		2010
Net earnings attributable to II-VI Incorporated	$	18,579	$	18,367
Divided by:
Weighted average shares		62,698		61,808
Basic earnings attributable to II-VI Incorporated per common share	$	0.30	$	0.30
Net earnings attributable to II-VI Incorporated	$	18,579	$	18,367
Divided by:
Weighted average shares		62,698		61,808
Dilutive effect of common stock equivalents		1,367		1,480
Diluted weighted average common shares		64,065		63,288
Diluted earnings attributable to II-VI Incorporated per common share	$	0.29	$	0.29