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Restructuring Plan - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 700		$ 700
Restructuring expenses	$ 27us-gaap_RestructuringCharges	$ 3,477us-gaap_RestructuringCharges	$ 2,457us-gaap_RestructuringCharges	$ 3,559us-gaap_RestructuringCharges

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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