CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income
Balance at the beginning of the period at Jul. 01, 2023	$ 1,355.8	$ 0.1	$ 1,692.2	$ (340.6)	$ 4.1
Balance at the beginning of period (in shares) at Jul. 01, 2023		66.4
Increase (Decrease) in Stockholders' Equity
Net loss	(67.9)			(67.9)
Other comprehensive income (loss)	1.1				1.1
Issuance of shares in connection with vesting of restricted stock units and performance stock units (in shares)		0.8
Withholding taxes related to net share settlement of restricted stock units	(12.9)		(12.9)
Withholding taxes related to net share settlement of restricted stock units (in shares)		(0.2)
Stock-based compensation	34.7		34.7
Balance at the end of the period at Sep. 30, 2023	1,310.8	$ 0.1	1,714.0	(408.5)	5.2
Balance at the end of period (in shares) at Sep. 30, 2023		67.0
Balance at the beginning of the period at Jul. 01, 2023	1,355.8	$ 0.1	1,692.2	(340.6)	4.1
Balance at the beginning of period (in shares) at Jul. 01, 2023		66.4
Increase (Decrease) in Stockholders' Equity
Net loss	(167.0)
Other comprehensive income (loss)	5.1
Balance at the end of the period at Dec. 30, 2023	1,277.8	$ 0.1	1,776.1	(507.6)	9.2
Balance at the end of period (in shares) at Dec. 30, 2023		67.4
Balance at the beginning of the period at Sep. 30, 2023	1,310.8	$ 0.1	1,714.0	(408.5)	5.2
Balance at the beginning of period (in shares) at Sep. 30, 2023		67.0
Increase (Decrease) in Stockholders' Equity
Net loss	(99.1)			(99.1)
Other comprehensive income (loss)	4.0				4.0
Equity awards pursuant to merger agreement	23.5		23.5
Issuance of shares in connection with vesting of restricted stock units and performance stock units (in shares)		0.3
Withholding taxes related to net share settlement of restricted stock units	(3.2)		(3.2)
Withholding taxes related to net share settlement of restricted stock units (in shares)		(0.1)
ESPP shares issued	7.3		7.3
ESPP shares issued (in shares)		0.2
Stock-based compensation	34.5		34.5
Balance at the end of the period at Dec. 30, 2023	1,277.8	$ 0.1	1,776.1	(507.6)	9.2
Balance at the end of period (in shares) at Dec. 30, 2023		67.4
Balance at the beginning of the period at Jun. 29, 2024	$ 957.3	$ 0.1	1,835.0	(887.1)	9.3
Balance at the beginning of period (in shares) at Jun. 29, 2024	67.9	67.9
Increase (Decrease) in Stockholders' Equity
Net loss	$ (82.4)			(82.4)
Other comprehensive income (loss)	2.3				2.3
Issuance of shares in connection with vesting of restricted stock units and performance stock units (in shares)		0.9
Withholding taxes related to net share settlement of restricted stock units	(16.0)		(16.0)
Withholding taxes related to net share settlement of restricted stock units (in shares)		(0.3)
Exercise of stock options	0.9		0.9
Exercise of stock options (in shares)		0.1
Stock-based compensation	33.8		33.8
Balance at the end of the period at Sep. 28, 2024	895.9	$ 0.1	1,853.7	(969.5)	11.6
Balance at the end of period (in shares) at Sep. 28, 2024		68.6
Balance at the beginning of the period at Jun. 29, 2024	$ 957.3	$ 0.1	1,835.0	(887.1)	9.3
Balance at the beginning of period (in shares) at Jun. 29, 2024	67.9	67.9
Increase (Decrease) in Stockholders' Equity
Net loss	$ (143.3)
Other comprehensive income (loss)	0.9
Balance at the end of the period at Dec. 28, 2024	$ 872.3	$ 0.1	1,892.4	(1,030.4)	10.2
Balance at the end of period (in shares) at Dec. 28, 2024	69.1	69.1
Balance at the beginning of the period at Sep. 28, 2024	$ 895.9	$ 0.1	1,853.7	(969.5)	11.6
Balance at the beginning of period (in shares) at Sep. 28, 2024		68.6
Increase (Decrease) in Stockholders' Equity
Net loss	(60.9)			(60.9)
Other comprehensive income (loss)	(1.4)				(1.4)
Issuance of shares in connection with vesting of restricted stock units and performance stock units (in shares)		0.3
Withholding taxes related to net share settlement of restricted stock units	(7.8)		(7.8)
Withholding taxes related to net share settlement of restricted stock units (in shares)		(0.1)
Exercise of stock options	1.1		1.1
Exercise of stock options (in shares)		0.1
ESPP shares issued	$ 6.1
ESPP shares issued (in shares)	0.2
Stock-based compensation	$ 39.3		39.3
Balance at the end of the period at Dec. 28, 2024	$ 872.3	$ 0.1	$ 1,892.4	$ (1,030.4)	$ 10.2
Balance at the end of period (in shares) at Dec. 28, 2024	69.1	69.1