Consolidated Statements of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Revenues
Domestic	$ 240,534	$ 241,045	$ 214,822
International	442,727	310,030	301,581
Total Revenues	683,261	551,075	516,403
Costs, Expenses and Other Expense (Income)
Cost of goods sold	456,545	347,558	315,056
Internal research and development	42,523	22,689	21,410
Selling, general and administrative	137,707	109,337	98,415
Interest expense	4,479	1,160	212
Other expense (income), net	(3,634)	(7,155)	(7,168)
Total Costs, Expenses, and Other Expense (Income)	637,620	473,589	427,925
Earnings from Continuing Operations Before Income Taxes	45,641	77,486	88,478
Income Taxes	7,325	18,766	17,760
Earnings from Continuing Operations	38,316	58,720	70,718
Earnings (loss) from Discontinued Operation, net of income taxes	133	(6,789)	(9,443)
Net Earnings	38,449	51,931	61,275
Less: Net Earnings Attributable to Redeemable Noncontrolling Interest		1,118	969
Net Earnings Attributable to II-VI Incorporated	$ 38,449	$ 50,813	$ 60,306
Basic earnings (loss) attributable to II-VI Incorporated per common share:
Continuing operations	$ 0.62	$ 0.92	$ 1.10
Discontinued operation		$ (0.11)	$ (0.15)
Consolidated	$ 0.62	$ 0.81	$ 0.96
Diluted earnings (loss) attributable to II-VI Incorporated per common share:
Continuing operations	$ 0.60	$ 0.90	$ 1.08
Discontinued operation		$ (0.11)	$ (0.15)
Consolidated	$ 0.60	$ 0.80	$ 0.94