Information About Major Customers (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013 customer	Jun. 30, 2012	Jun. 30, 2011
Concentration Risk [Line Items]
Accounts Receivable, Net, Current	$ 21,499	$ 14,922
Automotive [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	46.00%	51.00%	42.00%
Number Of Major Customers	4
Manufacturing Line Builders, System Integrators and OEMs [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	7.00%	13.00%	11.00%
Volkswagen Group [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	24.00%
Volkswagen Group [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Accounts Receivable, Net, Current	7,500
General Motors [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	13.00%
General Motors [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Accounts Receivable, Net, Current	$ 1,200