Concentration Of Risk (Summary Of Significant Accounts Receivable) (Details)	Jun. 30, 2011 Customer B [Member]	Jun. 30, 2012 Customer B [Member] Accounts Receivable [Member]	Jun. 30, 2012 Customer E [Member] Accounts Receivable [Member]	Jun. 30, 2010 Customer D [Member]	Jun. 30, 2011 Customer D [Member] Accounts Receivable [Member]	Jun. 30, 2011 Customer F [Member] Accounts Receivable [Member]	Jun. 30, 2011 Customer G [Member] Accounts Receivable [Member]	Jun. 30, 2012 Maximum [Member] Customer B [Member]	Jun. 30, 2010 Maximum [Member] Customer B [Member]	Jun. 30, 2011 Maximum [Member] Customer B [Member] Accounts Receivable [Member]	Jun. 30, 2011 Maximum [Member] Customer E [Member] Accounts Receivable [Member]	Jun. 30, 2012 Maximum [Member] Customer D [Member]	Jun. 30, 2011 Maximum [Member] Customer D [Member]	Jun. 30, 2012 Maximum [Member] Customer D [Member] Accounts Receivable [Member]	Jun. 30, 2012 Maximum [Member] Customer F [Member] Accounts Receivable [Member]	Jun. 30, 2012 Maximum [Member] Customer G [Member] Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	11.00%	12.00%	19.00%	11.00%	13.00%	12.00%	12.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%