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Restructuring Plan - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 30, 2013 Person	Sep. 30, 2012 Person	Jun. 30, 2013	Jun. 30, 2012 Person	Jun. 30, 2011
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated	17	142		41
Loss on sale of Hudson building	$ 1,109		$ 1,091	$ 0	$ 0
Expenses recorded by the company for restructuring plans			7,056	2,821	0
MCE
Restructuring Cost and Reserve [Line Items]
Expenses recorded by the company for restructuring plans			$ 7,513	$ 2,712

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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