Consolidated Statements Of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Revenues
Domestic	$ 52,283	$ 55,569
International	80,009	82,804
Total Revenues	132,292	138,373
Costs, Expenses and Other Expense (Income)
Cost of goods sold	83,457	83,363
Internal research and development	5,585	5,163
Selling, general and administrative	26,656	26,812
Interest expense	36	59
Other expense (income), net	(761)	(1,630)
Total Costs, Expenses, and Other Expense (Income)	114,973	113,767
Earnings Before Income Taxes	17,319	24,606
Income Taxes	4,187	5,892
Net Earnings	13,132	18,714
Less: Net Earnings Attributable to Noncontrolling Interest	414	135
Net Earnings Attributable to II-VI Incorporated	$ 12,718	$ 18,579
Net Earnings Attributable to II-VI Incorporated: Basic Earnings Per Share:	$ 0.20	$ 0.30
Net Earnings Attributable to II-VI Incorporated: Diluted Earnings Per Share:	$ 0.20	$ 0.29