Investments (Schedule of Summary of Short-Term Investments) (Detail) - Time deposits - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Schedule of Investments [Line Items]
Held to Maturity Investments, Fair Value	$ 3,416	$ 746
Held to Maturity Investments, Cost Basis	$ 3,393	$ 700

Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant