Customers Comprising Ten Percent or more Revenues (Detail)	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Revenue, Major Customer [Line Items]
Revenue from Customers	29.00%	26.00%	32.00%	35.00%
MCE | Northrop Grumman Corporation
Revenue, Major Customer [Line Items]
Revenue from Customers	12.00%		13.00%	11.00%
MCE | Raytheon Company
Revenue, Major Customer [Line Items]
Revenue from Customers				11.00%
MCE | Lockheed Martin Corporation
Revenue, Major Customer [Line Items]
Revenue from Customers	17.00%	26.00%	19.00%	13.00%