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Components of Debt (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
Debt Instrument [Line Items]
Total debt	$ 236,733	$ 241,960
Current portion of long-term debt	(20,000)	(20,000)
Long-term debt, less current portion	216,733	221,960
Line of credit
Debt Instrument [Line Items]
Total debt	154,000	154,000
Term Loans
Debt Instrument [Line Items]
Total debt	80,000	85,000
Yen denominated line of credit
Debt Instrument [Line Items]
Total debt	$ 2,733	$ 2,960

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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