Debt (Schedule of Long-term Debt) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Debt Instrument [Line Items]
Bank loans	$ 42,000	$ 51,050
Mortgage	3,765	3,947
Long-term debt including current portion	45,765	54,997
Less current portion	6,713	6,247
Long-term debt	39,052	48,750
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Bank loans	11,000	14,050
Medium-term Notes [Member]
Debt Instrument [Line Items]
Bank loans	$ 31,000	$ 37,000

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Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

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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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Carrying amount of long-term debt, net of unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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