Net Income (Loss) Per Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share Basic And Diluted [Line Items]
Net income (loss)	$ 13,341	$ (3,050)	$ 26,037	$ (11,862)
Weighted-average shares used in per share calculation - basic	129,403	123,264	128,863	122,485
Weighted-average shares used in per share calculation - diluted	133,621	123,264	133,423	122,485
Net income (loss) per share - basic and diluted
Net income (loss) per share - basic	$ 0.10	$ (0.02)	$ 0.20	$ (0.10)
Net income (loss) per share - diluted	$ 0.10	$ (0.02)	$ 0.20	$ (0.10)
Options to purchase common stock
Earnings Per Share Basic And Diluted [Line Items]
Options to purchase common stock	702		677
Restricted stock units
Earnings Per Share Basic And Diluted [Line Items]
Options to purchase common stock	3,340		3,795
Employee Stock Purchase Plan [Member]
Earnings Per Share Basic And Diluted [Line Items]
Options to purchase common stock	176		88