XML 75 R51.htm IDEA: XBRL DOCUMENT v2.4.1.9
Components of Debt (Parenthetical) (Detail) (London Interbank Offered Rate (LIBOR))
 6 Months Ended 12 Months Ended
Dec. 31, 2014
Jun. 30, 2014
Line of credit
    
Debt Instrument [Line Items]    
Debt instrument, rate added on variable rate 1.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember		 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
Term Loans
    
Debt Instrument [Line Items]    
Debt instrument, rate added on variable rate 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= iivi_TermLoansMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember		  
Yen denominated line of credit
    
Debt Instrument [Line Items]    
Debt instrument, rate added on variable rate 0.625%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= iivi_YenRevolvingCreditFacilityMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember