CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Revision of Prior Period, Accounting Standards Update, Adjustment	Common Stock	Additional Paid-In Capital	Additional Paid-In Capital Revision of Prior Period, Accounting Standards Update, Adjustment	Retained Earnings (Accumulated Deficit)	Retained Earnings (Accumulated Deficit) Revision of Prior Period, Accounting Standards Update, Adjustment	Accumulated Other Comprehensive Income
Balance at the beginning of the period at Jul. 03, 2021	$ 1,972.8		$ 0.1	$ 1,743.6		$ 220.9		$ 8.2
Balance at the beginning of period (in shares) at Jul. 03, 2021			73.0
Increase (Decrease) in Stockholders' Equity
Net income (loss)	198.9					198.9
Other comprehensive income (loss)	(7.8)							(7.8)
Issuance of shares pursuant to equity plans, net of tax withholdings (in shares)			1.3
Withholding taxes related to net share settlement of restricted stock units	(39.0)			(39.0)
Withholding taxes related to net share settlement of restricted stock units (in shares)			(0.5)
Equity component of the notes, net of tax and issuance costs	180.6			180.6
Adjustment to equity component of the 2024 Notes in connection with cash settlement	(0.1)			(0.1)
ESPP shares issued	13.6			13.6
ESPP shares issued (in shares)			0.2
Repurchases of common stock	(548.9)					(548.9)
Repurchases of common stock (in shares)			(6.0)
Stock-based compensation	104.9			104.9
Balance at the end of the period at Jul. 02, 2022	$ 1,875.0	$ (340.9)	$ 0.1	2,003.6	$ (426.5)	(129.1)	$ 85.6	0.4
Balance at the end of period (in shares) at Jul. 02, 2022			68.0
Increase (Decrease) in Stockholders' Equity
Accounting Standards Update	Accounting Standards Update 2020-06 [Member]
Net income (loss)	$ (131.6)					(131.6)
Other comprehensive income (loss)	3.7							3.7
Equity component of repurchased 2024 Notes	(13.5)			(13.5)
Issuance of shares pursuant to equity plans, net of tax withholdings (in shares)			1.6
Withholding taxes related to net share settlement of restricted stock units	(37.2)			(37.2)
Withholding taxes related to net share settlement of restricted stock units (in shares)			(0.5)
ESPP shares issued	15.1			15.1
ESPP shares issued (in shares)			0.3
Repurchases of common stock	(165.5)					(165.5)
Repurchases of common stock (in shares)			(3.0)
Stock-based compensation	150.7			150.7
Balance at the end of the period at Jul. 01, 2023	$ 1,355.8		$ 0.1	1,692.2		(340.6)		4.1
Balance at the end of period (in shares) at Jul. 01, 2023	66.4		66.4
Increase (Decrease) in Stockholders' Equity
Net income (loss)	$ (546.5)					(546.5)
Other comprehensive income (loss)	5.2							5.2
Issuance of shares pursuant to equity plans, net of tax withholdings (in shares)			1.5
Withholding taxes related to net share settlement of restricted stock units	(24.0)			(24.0)
Withholding taxes related to net share settlement of restricted stock units (in shares)			(0.4)
ESPP shares issued	14.4			14.4
ESPP shares issued (in shares)			0.4
Equity awards pursuant to merger agreement	23.5			23.5
Stock-based compensation	128.9			128.9
Balance at the end of the period at Jun. 29, 2024	$ 957.3		$ 0.1	$ 1,835.0		$ (887.1)		$ 9.3
Balance at the end of period (in shares) at Jun. 29, 2024	67.9		67.9