Customers Comprising Ten Percent or more Revenues (Detail)	3 Months Ended			6 Months Ended
	Dec. 31, 2012		Dec. 31, 2011	Dec. 31, 2012		Dec. 31, 2011
Revenue, Major Customer [Line Items]
Revenue from Customers	25.00%		74.00%	12.00%		64.00%
ACS | Northrop Grumman Corporation
Revenue, Major Customer [Line Items]
Revenue from Customers	13.00%		27.00%	12.00%		23.00%
ACS | Raytheon Company
Revenue, Major Customer [Line Items]
Revenue from Customers	12.00%		30.00%		[1]	27.00%
ACS | Lockheed Martin Corporation
Revenue, Major Customer [Line Items]
Revenue from Customers		[1]	17.00%		[1]	14.00%

[1] Indicates that the amount is less than 10% of the Company's revenues for the respective period.