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Restructuring Plan - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012 Person	Jun. 30, 2010
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated	41
Expenses recorded by the company for restructuring plans	$ 2,821	$ 231
ACS
Restructuring Cost and Reserve [Line Items]
Expenses recorded by the company for restructuring plans	2,712
Future restructuring expenses expected in fiscal 2013	$ 737

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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