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Impairment of Long-Lived Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Property Plant And Equipment Useful Life And Values [Abstract]
Impairment of property, plant and equipment	$ 0	$ 789

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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