Debt - Narrative (Details)		1 Months Ended			3 Months Ended			12 Months Ended	79 Months Ended
	Jun. 16, 2023 USD ($) day $ / shares Rate	Mar. 31, 2022 USD ($) day $ / shares Rate	Dec. 31, 2019 USD ($) day $ / shares Rate	Mar. 31, 2017 USD ($) day $ / shares Rate	Sep. 30, 2023 USD ($) day $ / shares	Dec. 31, 2022 USD ($)	Oct. 01, 2022 USD ($)	Jul. 01, 2023 USD ($)	Sep. 30, 2023 USD ($) $ / shares	Jul. 03, 2022 USD ($)	Jul. 02, 2022 USD ($)	Nov. 03, 2021 USD ($)	Mar. 08, 2017 USD ($)
Debt Instrument
Repurchase of common stock					$ 0		$ 35,800,000
Convertible notes, non-current					2,500,900,000			$ 2,500,000,000	$ 2,500,900,000
Repayment of term loan					0		900,000
Additional Paid-In Capital
Debt Instrument
Adjustments to additional paid in capital, equity component of reacquired notes								13,500,000
Convertible Debt
Debt Instrument
Debt, aggregate principal amount					2,837,800,000			2,837,800,000	2,837,800,000
Discount					21,200,000			26,200,000	21,200,000
Remaining principal balance					2,937,200,000				2,937,200,000
2029 Notes | Convertible Debt
Debt Instrument
Debt, aggregate principal amount	$ 603,700,000				$ 603,700,000			603,700,000	$ 603,700,000
Proceeds from convertible debt	599,400,000
Payments of debt issuance costs	4,300,000
Debt related professional fees	800,000
Payment for repurchase of convertible notes	132,800,000
Repurchase of common stock	$ 125,000,000
Debt interest rate (as a percent)	1.50%
Debt instrument conversion ratio | Rate	1.43808%
Conversion price (in usd per share) | $ / shares	$ 69.54				$ 69.54				$ 69.54
Number of days to trigger conversion | day	20				20
Conversion threshold consecutive trading days (in days) | day	30				30
Conversion threshold percentage of stock price trigger (as a percent)	130.00%				130.00%
Conversion threshold measurement period	5 years
Conversion threshold percentage of conversion rate from measurement period (as a percent)	98.00%
Percentage of principal amount required to be paid upon contingent note repurchase (as a percent)	100.00%
Debt instrument redemption threshold	$ 100,000,000
Sale price of common stock (in usd per share) | $ / shares					$ 90.40
Discount					$ 4,900,000			5,100,000	$ 4,900,000
Remaining principal balance					662,600,000				662,600,000
2028 Notes
Debt Instrument
Convertible notes, non-current										$ 854,300,000	$ 634,700,000
2028 Notes | Convertible Debt
Debt Instrument
Debt, aggregate principal amount		$ 861,000,000			$ 861,000,000.0			861,000,000.0	$ 861,000,000.0
Proceeds from convertible debt		854,800,000
Payments of debt issuance costs		6,200,000
Debt related professional fees		700,000
Repurchase of common stock		$ 200,000,000
Debt interest rate (as a percent)		0.50%
Debt instrument conversion ratio | Rate		0.76319%
Conversion price (in usd per share) | $ / shares		$ 131.03			$ 131.03				$ 131.03
Number of days to trigger conversion | day		20			20
Conversion threshold consecutive trading days (in days) | day		30			30
Conversion threshold percentage of stock price trigger (as a percent)		130.00%			130.00%
Conversion threshold measurement period		5 days
Conversion threshold percentage of conversion rate from measurement period (as a percent)		98.00%
Percentage of principal amount required to be paid upon contingent note repurchase (as a percent)		100.00%
Debt instrument redemption threshold		$ 100,000,000
Sale price of common stock (in usd per share) | $ / shares		$ 170.34			$ 170.34
Liability component		$ 629,800,000
Effective interest rate percentage (as a percent)		5.70%
Discount		$ 231,200,000			$ 5,100,000			5,500,000	$ 5,100,000
Remaining principal balance					882,500,000				882,500,000
2026 Notes
Debt Instrument
Sale price of common stock (in usd per share) | $ / shares			$ 129.08
Convertible notes, non-current										$ 1,044,800,000	$ 831,400,000
2026 Notes | Convertible Debt
Debt Instrument
Debt, aggregate principal amount			$ 1,050,000,000		$ 1,050,000,000			1,050,000,000	$ 1,050,000,000
Repurchase of common stock			$ 200,000,000
Debt interest rate (as a percent)			0.50%
Debt instrument conversion ratio | Rate			1.00711%
Conversion price (in usd per share) | $ / shares			$ 99.29		$ 99.29				$ 99.29
Number of days to trigger conversion | day					20
Conversion threshold consecutive trading days (in days) | day			30		30
Conversion threshold percentage of stock price trigger (as a percent)			130.00%		130.00%
Conversion threshold measurement period			5 days
Conversion threshold percentage of conversion rate from measurement period (as a percent)			98.00%
Percentage of principal amount required to be paid upon contingent note repurchase (as a percent)			100.00%
Sale price of common stock (in usd per share) | $ / shares					$ 129.08
Liability component			$ 734,800,000
Effective interest rate percentage (as a percent)			5.80%
Discount			$ 315,200,000		$ 3,800,000			4,100,000	$ 3,800,000
Repayments of debt			$ 196,000,000
Conversion threshold trading days | day			20
Remaining principal balance					1,068,400,000				1,068,400,000
2024 Notes | Convertible Debt
Debt Instrument
Debt, aggregate principal amount	$ 125,000,000			$ 450,000,000	$ 323,100,000			323,100,000	$ 323,100,000
Debt interest rate (as a percent)				0.25%
Debt instrument conversion ratio | Rate				1.64965%
Conversion price (in usd per share) | $ / shares				$ 60.62	$ 60.62				$ 60.62
Number of days to trigger conversion | day					20
Conversion threshold consecutive trading days (in days) | day				30	30
Conversion threshold percentage of stock price trigger (as a percent)				130.00%	130.00%
Conversion threshold measurement period				5 days
Conversion threshold percentage of conversion rate from measurement period (as a percent)				98.00%
Percentage of principal amount required to be paid upon contingent note repurchase (as a percent)				100.00%
Sale price of common stock (in usd per share) | $ / shares				$ 78.80	$ 78.80
Discount					$ 7,400,000			11,500,000	$ 7,400,000
Conversion threshold trading days | day				20
Derivative liability fair value													$ 129,900,000
Residual principal amount of notes before issuance costs													320,100,000
Debt issuance costs													$ 7,700,000
Effective interest rate on the liability component													5.40%
Convertible notes, non-current					323,100,000			$ 323,100,000	323,100,000
Principal amount of debt converted (less than)									1,900,000
Remaining principal balance					$ 323,700,000				$ 323,700,000
2015 Mitsubishi Term Loan | Secured Debt
Debt Instrument
Fair value of debt acquired												$ 5,900,000
Repayment of term loan						$ 5,000,000	$ 900,000