Recently Issued Accounting Pronouncements (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Apr. 02, 2022	Apr. 03, 2021	Jul. 03, 2021
LIABILITIES AND STOCKHOLDERS’ EQUITY
Short-term debt					$ 456.6
Long-term debt	$ 706.4		$ 706.4		224.1
Mezzanine equity - convertible notes					0.0
Additional paid-in capital					70,183.2
Accumulated deficit	(69,529.9)		(69,529.9)		(69,322.3)
Income Statement [Abstract]
Interest Expense	(6.4)	$ (3.6)	(17.1)	$ (10.8)
Net income	$ 19.2	$ 17.2	$ (1.0)	$ 64.2
Net income (loss) per share:
Basic (in dollars per share)	$ 0.08	$ 0.08	$ 0	$ 0.28
Diluted (in dollars per share)	$ 0.08	$ 0.07	$ 0	$ 0.27
Shares used in per-share calculation:
Basic (in shares)	229.2	228.7	232.1	228.8
Diluted (in shares)	236.8	240.2	232.1	234.4
As Reported
LIABILITIES AND STOCKHOLDERS’ EQUITY
Short-term debt					414.2
Long-term debt					209.8
Mezzanine equity - convertible notes					45.8
Additional paid-in capital					70,265.5
Accumulated deficit					(69,393.7)
Income Statement [Abstract]
Interest Expense		$ (9.0)		$ (27.0)
Net income		$ 11.8		$ 48.0
Net income (loss) per share:
Basic (in dollars per share)		$ 0.05		$ 0.21
Diluted (in dollars per share)		$ 0.05		$ 0.21
Shares used in per-share calculation:
Basic (in shares)		228.7		228.8
Diluted (in shares)		240.2		233.8
ASU 2020-06
Income Statement [Abstract]
Interest Expense					21.4
Net income					21.4
ASU 2020-06 | Adjustment
LIABILITIES AND STOCKHOLDERS’ EQUITY
Short-term debt					42.4
Long-term debt					14.3
Mezzanine equity - convertible notes					(45.8)
Additional paid-in capital					(82.3)
Accumulated deficit					$ 71.4
Income Statement [Abstract]
Interest Expense		$ 5.4		$ 16.2
Net income		$ 5.4		$ 16.2
Net income (loss) per share:
Basic (in dollars per share)		$ 0.03		$ 0.07
Diluted (in dollars per share)		$ 0.02		$ 0.06
Shares used in per-share calculation:
Basic (in shares)		0.0		0.0
Diluted (in shares)		0.0		0.6