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Debt and Bank Borrowings - Additional Information (Details)			3 Months Ended	9 Months Ended
	Nov. 30, 2020 USD ($) $ / shares shares	Jun. 28, 2019 USD ($)	Mar. 31, 2021 USD ($) $ / shares	Mar. 31, 2021 USD ($) TradingDay $ / shares shares	Mar. 31, 2020 USD ($)	Aug. 15, 2019 USD ($)
Debt Instrument [Line Items]
Proceeds from issuance of convertible senior notes, net of discount and issuance costs				$ 1,129,379,000
Debt issuance costs					$ 151,000
Amortization of debt discount and issuance costs				15,724,000
Line of credit facility, utilization					$ 2,300,000
Eurodollar Rate \| Senior Facilities Agreement
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate		1.25%
Eurodollar Rate \| Senior Facilities Agreement \| Minimum
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate		1.75%
Eurodollar Rate \| Senior Facilities Agreement \| Maximum
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate		2.75%
London Interbank Offered Rate \| Senior Facilities Agreement \| Minimum
Debt Instrument [Line Items]
Debt instrument reduction in basis spread on variable rate		0.00%
Alternative Base Rate \| Senior Facilities Agreement \| Minimum
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate		0.25%
Alternative Base Rate \| Senior Facilities Agreement \| Maximum
Debt Instrument [Line Items]
Debt instrument reduction in basis spread on variable rate		1.25%
Federal Funds Effective Rate \| Senior Facilities Agreement
Debt Instrument [Line Items]
Debt instrument, effective interest rate percentage		0.50%
2025 Notes
Debt Instrument [Line Items]
Debt instrument, aggregate principal amount	$ 1,150,000,000		$ 1,150,000,000	$ 1,150,000,000
Debt instrument, interest rate	0.00%		0.00%	0.00%
Debt instrument, maturity date	Dec. 01, 2025
Proceeds from issuance of convertible senior notes, net of discount and issuance costs	$ 1,130,000,000
Debt issuance costs	$ 20,600,000
Debt initial conversion rate	6.2159
Debt instrument denomination of principal amount for conversion into common stock	$ 1,000			$ 1,000
Initial conversion price per share \| $ / shares	$ 160.88
Notes issued upon conversion \| shares	7,100,000
Debt instrument threshold percentage of conversion price				130.00%
Number of trading days for conversion of Notes \| TradingDay				20
Number of consecutive trading days for conversion of Notes \| TradingDay				30
Debt convertible date	Sep. 01, 2025
Number of business day period for conversion of Notes				5 days
Number of consecutive trading day period in consideration for conversion of Notes				5 days
Threshold percentage of stock price trigger in measurement period				98.00%
Debt conversion rate in make whole				2.9525
Debt conversion price per share in make whole \| $ / shares			$ 109.07	$ 109.07
Debt default threshold principal amount percentage				100.00%
Debt instrument, default description				The Indenture contains customary events of default with respect to the 2025 Notes and provides that upon certain events of default occurring and continuing, the holders of the 2025 Notes will have the right, at their option, to require the Company to repurchase for cash all or a portion of their outstanding notes, at a price equal to 100% of the principal amount of the 2025 Notes to be repurchased, plus any accrued and unpaid interest.
Debt instrument, effective interest rate percentage			5.37%	5.37%
Amortization of debt discount and issuance costs			$ 11,800,000	$ 15,700,000
Debt instrument, remaining term				4 years 8 months 12 days
Cost of capped call				$ 87,900,000
Payment to capped call was recorded as reduction to additional paid-in capital				$ 87,900,000
Capped call, initial strike price \| $ / shares			160.88	160.88
Capped call, initial cap price \| $ / shares			218.14	218.14
Cap calls cover subject to anti-dilution adjustments to common stock \| shares				7,100,000
2025 Notes \| Redeem On or After December 5, 2023
Debt Instrument [Line Items]
Debt instrument threshold percentage of conversion price				130.00%
Redemption period, start date				Dec. 05, 2023
Number of trading days for conversion of Notes \| TradingDay				20
Number of consecutive trading days for conversion of Notes \| TradingDay				30
Redemption price percentage of principal amount redeemed				100.00%
Sinking fund				$ 0
Senior Facilities Agreement
Debt Instrument [Line Items]
Line of credit facility, expiration date		Jun. 28, 2022
Line of credit facility, remaining borrowing capacity			$ 43,100,000	43,100,000
Senior Facilities Agreement \| Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, utilization				$ 6,900,000
Senior Facilities Agreement \| Silicon Valley Bank
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 50,000,000.0
Line of credit facility maximum borrowing capacity subject to certain conditions		$ 25,000,000.0
Senior Facilities Agreement \| Silicon Valley Bank \| JP Morgan Chase Bank
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 20,000,000.0