CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance at the beginning of the period (in shares) at Jul. 02, 2022		226.4
Balance at the beginning of the period at Jul. 02, 2022	$ 671.7	$ 0.2	$ 70,370.2	$ (69,542.3)	$ (156.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	25.6			25.6
Other comprehensive income (loss)	13.5				13.5
Shares issued under employee stock plans, net of tax (in shares)		2.3
Shares issued under employee stock plans, net of tax	(3.5)		(3.5)
Stock-based compensation	38.8		38.8
Repurchase of common stock (in shares)		(6.3)
Repurchase of common stock	(73.9)			(73.9)
Convertible note modification	10.1		10.1
Balance at the end of the period (in shares) at Apr. 01, 2023		222.4
Balance at the end of the period at Apr. 01, 2023	682.3	$ 0.2	70,415.6	(69,590.6)	(142.9)
Balance at the beginning of the period (in shares) at Dec. 31, 2022		224.8
Balance at the beginning of the period at Dec. 31, 2022	687.8	$ 0.2	70,388.8	(69,545.2)	(156.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(15.4)			(15.4)
Other comprehensive income (loss)	13.1				13.1
Shares issued under employee stock plans, net of tax (in shares)		0.4
Shares issued under employee stock plans, net of tax	4.0		4.0
Stock-based compensation	12.7		12.7
Repurchase of common stock (in shares)		(2.8)
Repurchase of common stock	(30.0)			(30.0)
Convertible note modification	10.1		10.1
Balance at the end of the period (in shares) at Apr. 01, 2023		222.4
Balance at the end of the period at Apr. 01, 2023	682.3	$ 0.2	70,415.6	(69,590.6)	(142.9)
Balance at the beginning of the period (in shares) at Jul. 01, 2023		221.5
Balance at the beginning of the period at Jul. 01, 2023	690.8	$ 0.2	70,427.3	(69,600.7)	(136.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(4.1)			(4.1)
Other comprehensive income (loss)	(3.4)				(3.4)
Shares issued under employee stock plans, net of tax (in shares)		2.7
Shares issued under employee stock plans, net of tax	(4.8)		(4.8)
Stock-based compensation	36.6		36.6
Repurchase of common stock (in shares)		(1.0)
Repurchase of common stock	(10.0)			(10.0)
Balance at the end of the period (in shares) at Mar. 30, 2024		223.2
Balance at the end of the period at Mar. 30, 2024	705.1	$ 0.2	70,459.1	(69,614.8)	(139.4)
Balance at the beginning of the period (in shares) at Dec. 30, 2023		222.6
Balance at the beginning of the period at Dec. 30, 2023	728.0	$ 0.2	70,444.8	(69,590.2)	(126.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(24.6)			(24.6)
Other comprehensive income (loss)	(12.6)				(12.6)
Shares issued under employee stock plans, net of tax (in shares)		0.6
Shares issued under employee stock plans, net of tax	1.5		1.5
Stock-based compensation	12.8		12.8
Balance at the end of the period (in shares) at Mar. 30, 2024		223.2
Balance at the end of the period at Mar. 30, 2024	$ 705.1	$ 0.2	$ 70,459.1	$ (69,614.8)	$ (139.4)