Concentration Of Risk, Segment, And Geographic Information (Summary Of Purchases By Significant Vendor) (Details) (Cost of Goods, Total [Member])	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Dec. 31, 2012 Vendor A [Member]	Dec. 31, 2011 Vendor A [Member]	Dec. 31, 2012 Vendor A [Member]	Dec. 31, 2011 Vendor A [Member]	Dec. 31, 2012 Vendor B [Member]	Dec. 31, 2012 Vendor B [Member]	Dec. 31, 2012 Vendor C [Member]	Dec. 31, 2012 Vendor C [Member]	Dec. 31, 2010 Maximum [Member] Vendor B [Member]	Dec. 31, 2010 Maximum [Member] Vendor B [Member]	Dec. 31, 2010 Maximum [Member] Vendor C [Member]	Dec. 31, 2010 Maximum [Member] Vendor C [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	18.00%	31.00%	16.00%	26.00%	12.00%	11.00%	11.00%	12.00%	10.00%	10.00%	10.00%	10.00%