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Debt - Additional Information (Details) $ / shares in Units, shares in Millions					1 Months Ended	3 Months Ended
	Sep. 29, 2021 USD ($)	Sep. 02, 2021 USD ($) shares	May 05, 2020 USD ($)	May 29, 2018 USD ($)	Mar. 22, 2017 USD ($)	Oct. 02, 2021 USD ($) day $ / shares	Jul. 03, 2021 USD ($) day $ / shares	Oct. 03, 2020 USD ($)	Mar. 03, 2017 USD ($)
Debt details
Proceeds from issuance of 3.75% senior notes						$ 400,000,000.0		$ 0
Repayments of credit facility						$ 150,000,000.0		0
Short-term debt							$ 456,600,000
Debt conversion, shares issued \| shares		10.6
Common stock, par value (in dollars per share) \| $ / shares						$ 0.001	$ 0.001
Repayments of senior debt		$ 196,500,000
Gain (loss) on induced conversion and extinguishment of debt		(85,900,000)				$ (85,900,000)		$ 0
Gain (loss) on induced conversion of debt		(9,500,000)
Gain (loss) on extinguishment of debt		(72,700,000)
Third-party fees for extinguishment of debt		3,700,000
Convertible Notes
Debt details
Short-term debt							$ 456,600,000
1.75% Senior Convertible Notes \| Convertible Notes
Debt details
Stated interest rate				1.75%		1.75%
Aggregate principal amount of convertible debt				$ 225,000,000
Debt issued		93,800,000
Proceeds from convertible debt				69,500,000
Expected remaining term						1 year 8 months 12 days
Proceeds from debt, net of issuance costs				67,300,000
1.75% Senior Convertible Notes \| Convertible Notes \| Exchange Transaction
Debt details
Debt issued				155,500,000
Repayments of debt				$ 151,500,000
1.00% Senior Convertible Notes \| Convertible Notes
Debt details
Stated interest rate						1.00%			1.00%
Aggregate principal amount of convertible debt					$ 60,000,000				$ 400,000,000
Debt issued		$ 181,200,000
Expected remaining term						2 years 4 months 24 days
Proceeds from debt, net of issuance costs					$ 451,100,000
Debt conversion, threshold percentage of stock price trigger						130.00%	130.00%
Debt conversion, trading days threshold \| day						20	20
Debt conversion, consecutive trading days threshold \| day						30	30
Short-term debt						$ 0	$ 460,000,000.0
3.75% Senior Notes \| Senior Notes
Debt details
Stated interest rate						3.75%
Aggregate principal amount of convertible debt	$ 400,000,000
Proceeds from issuance of 3.75% senior notes	$ 393,000,000
Revolving Credit Facility
Debt details
Maximum borrowing capacity			$ 300,000,000
Credit facility increase limit			$ 200,000,000
Net leverage ratio			1.50
Proceeds from credit facility						$ 150,000,000
Repayments of credit facility						150,000,000
Debt outstanding						$ 0	$ 0
Minimum \| Revolving Credit Facility
Debt details
Commitment fee			0.30%
Minimum \| London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility
Debt details
Basis spread on variable rate			1.75%
Minimum \| Base Rate \| Revolving Credit Facility
Debt details
Basis spread on variable rate			0.75%
Maximum \| Revolving Credit Facility
Debt details
Commitment fee			0.40%
Maximum \| London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility
Debt details
Basis spread on variable rate			2.50%
Maximum \| Base Rate \| Revolving Credit Facility
Debt details
Basis spread on variable rate			1.50%