Summary of Significant Accounting Policies (Tables)

3 Months Ended

Sep. 30, 2011

Summary of Significant Accounting Policies [Abstract]

Reconciliation of weighted-average number of ordinary shares for purposes of computing net income per share

	Three Months Ended
	September 30,
	2011		2010
Weighted average shares outstanding, basic		41,256,341		43,895,913
Weighted average shares issuable upon exercise/vesting of outstanding share options/RSUs		1,053,165		1,335,475
Shares used in computing diluted net income per share		42,309,506		45,231,388
Weighted average anti-dilutive shares excluded from diluted net income per share		1,646,549		1,138,603