Restructuring Plan - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012 Person	Jun. 30, 2012 Person
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated	142	41
ACS
Restructuring Cost and Reserve [Line Items]
Future restructuring expenses expected in fiscal 2013	4,984
FiscalYear2013 | ACS
Restructuring Cost and Reserve [Line Items]
Future restructuring expenses expected in fiscal 2013	647