EARNINGS PER SHARE - Schedule of antidilutive securities (Details) - shares shares in Thousands	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Common stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	57	86
2020 Convertible Senior Notes, net
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	541	2,701
2024 Convertible Senior Notes, net
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	9,573	0
Unvested restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	4,685	6,166
Common stock issuable pursuant to the 2018 ESPP
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	324	82