Condensed Consolidated Statements of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Revenues
Domestic	$ 63,690	$ 52,283
International	87,482	80,009
Total Revenues	151,172	132,292
Costs, Expenses and Other Expense (Income)
Cost of goods sold	94,826	83,457
Internal research and development	7,747	5,585
Selling, general and administrative	35,112	26,656
Interest expense	483	36
Other expense (income), net	67	(761)
Total Costs, Expenses, and Other Expense (Income)	138,235	114,973
Earnings Before Income Taxes	12,937	17,319
Income Taxes	3,243	4,187
Net Earnings	9,694	13,132
Less: Net Earnings Attributable to Redeemable Noncontrolling Interest		414
Net Earnings Attributable to II-VI Incorporated	$ 9,694	$ 12,718
Net Earnings Attributable to II-VI Incorporated: Basic Earnings Per Share:	$ 0.16	$ 0.20
Net Earnings Attributable to II-VI Incorporated: Diluted Earnings Per Share:	$ 0.15	$ 0.20