Summary Of Significant Accounting Policies (Summary Of Estimated Useful Lives Of Assets) (Detail)	12 Months Ended
	Jun. 30, 2012
Building [Member]
Schedule Of Significant Accounting Policies [Line Items]
Estimated useful lives of assets	10 years
Minimum [Member] | Equipment [Member]
Schedule Of Significant Accounting Policies [Line Items]
Estimated useful lives of assets	3 years
Minimum [Member] | Furniture and Fixtures [Member]
Schedule Of Significant Accounting Policies [Line Items]
Estimated useful lives of assets	3 years
Maximum [Member] | Equipment [Member]
Schedule Of Significant Accounting Policies [Line Items]
Estimated useful lives of assets	5 years
Maximum [Member] | Furniture and Fixtures [Member]
Schedule Of Significant Accounting Policies [Line Items]
Estimated useful lives of assets	7 years