Earnings Per Share - Computation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Jul. 02, 2022	Apr. 02, 2022	Jan. 01, 2022	Oct. 02, 2021	Jul. 03, 2021	Apr. 03, 2021	Jan. 02, 2021	Oct. 03, 2020	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020	May 29, 2018	Mar. 03, 2017
Numerator:
Net income	$ 16.5	$ 19.2	$ 34.6	$ (54.8)	$ 3.3	$ 17.2	$ 27.3	$ 19.7	$ 15.5	$ 67.5	$ 49.0
Weighted-average shares outstanding:
Basic (in shares)	227.2	229.2	236.0	231.1	228.4	228.7	228.8	228.8	230.9	228.7	229.4
Shares issuable assuming conversion of convertible notes (in shares)									4.8	5.0	2.3
Effect of dilutive securities from stock-based compensation plans (in shares)									2.5	2.6	3.1
Diluted (in shares)	231.3	236.8	242.3	231.1	241.9	240.2	231.1	231.8	238.2	236.3	234.8
Net income per share:
Basic (usd per share)	$ 0.07	$ 0.08	$ 0.15	$ (0.24)	$ 0.01	$ 0.08	$ 0.12	$ 0.09	$ 0.07	$ 0.30	$ 0.21
Diluted (usd per share)	$ 0.07	$ 0.08	$ 0.14	$ (0.24)	$ 0.01	$ 0.07	$ 0.12	$ 0.08	$ 0.07	$ 0.29	$ 0.21
1.75% Senior Convertible Notes | Convertible Debt
Debt Instrument [Line Items]
Interest rate on senior convertible notes	1.75%				1.75%				1.75%	1.75%		1.75%
If-converted value in excess of principal									$ 2.1
1.00% Senior Convertible Notes | Convertible Debt
Debt Instrument [Line Items]
Interest rate on senior convertible notes	1.00%				1.00%				1.00%	1.00%			1.00%
If-converted value in excess of principal									$ 19.4