Consolidated Statements of Earnings - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Revenues
Domestic	$ 274,142	$ 240,534	$ 241,045
International	467,819	442,727	310,030
Total Revenues	741,961	683,261	551,075
Costs, Expenses and Other Expense (Income)
Cost of goods sold	470,363	456,545	347,558
Internal research and development	51,260	42,523	22,689
Selling, general and administrative	143,539	137,707	109,337
Interest expense	3,863	4,479	1,160
Other expense (income), net	(6,176)	(3,634)	(7,155)
Total Costs, Expenses and Other Expense (Income)	662,849	637,620	473,589
Earnings from Continuing Operations Before Income Taxes	79,112	45,641	77,486
Income Taxes	13,137	7,325	18,766
Earnings from Continuing Operations	65,975	38,316	58,720
Earnings (loss) from Discontinued Operation, net of income tax		133	(6,789)
Net Earnings	65,975	38,449	51,931
Less: Earnings Attributable to Redeemable Noncontrolling Interest			1,118
Net Earnings Attributable to II-VI Incorporated	$ 65,975	$ 38,449	$ 50,813
Basic Earnings (loss) Attributable to II-VI Incorporated Per Share:
Continuing Operations	$ 1.08	$ 0.62	$ 0.92
Discontinued Operation			(0.11)
Consolidated	1.08	0.62	0.81
Diluted Earnings (loss) Attributable to II-VI Incorporated Per Share:
Continuing Operations	1.05	0.60	0.90
Discontinued Operation			(0.11)
Consolidated	$ 1.05	$ 0.60	$ 0.80