CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ 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. 01, 2023		221,500,000
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	9.8			9.8
Other comprehensive income (loss)	(20.5)				(20.5)
Shares issued under employee stock plans, net of tax (in shares)		1,900,000
Shares issued under employee stock plans, net of tax	(6.1)		(6.1)
Stock-based compensation	11.2		11.2
Repurchase of common stock (in shares)		(1,000,000.0)
Repurchase of common stock	(10.0)			(10.0)
Balance at the end of the period (in shares) at Sep. 30, 2023		222,400,000
Balance at the end of the period at Sep. 30, 2023	$ 675.2	$ 0.2	70,432.4	(69,600.9)	(156.5)
Balance at the beginning of the period (in shares) at Jun. 29, 2024	222,000,000	221,900,000
Balance at the beginning of the period at Jun. 29, 2024	$ 681.6	$ 0.2	70,471.9	(69,646.5)	(144.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(1.8)			(1.8)
Other comprehensive income (loss)	30.4				30.4
Shares issued under employee stock plans, net of tax (in shares)		1,900,000
Shares issued under employee stock plans, net of tax	(4.7)		(4.7)
Stock-based compensation	12.7		12.7
Repurchase of common stock (in shares)		(2,000,000.0)
Repurchase of common stock	$ (16.1)		(0.3)	(16.4)
Balance at the end of the period (in shares) at Sep. 28, 2024	222,000,000	221,800,000
Balance at the end of the period at Sep. 28, 2024	$ 702.1	$ 0.2	$ 70,480.2	$ (69,664.7)	$ (113.6)