Fair Value Measurements - Other Fair Value Measures (Details) - Convertible Debt - USD ($) $ in Millions	Jul. 02, 2022	Jul. 03, 2021	May 29, 2018	Mar. 03, 2017
Debt Instrument [Line Items]
Long-term Debt	$ 661.6	$ 947.6
Level 1
Debt Instrument [Line Items]
Long-term Debt	0.0	0.0
Level 2
Debt Instrument [Line Items]
Long-term Debt	661.6	947.6
Level 3
Debt Instrument [Line Items]
Long-term Debt	$ 0.0	$ 0.0
3.75% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.75%	3.75%
Long-term Debt	$ 337.5	$ 0.0
3.75% Senior Notes | Level 1
Debt Instrument [Line Items]
Long-term Debt	0.0	0.0
3.75% Senior Notes | Level 2
Debt Instrument [Line Items]
Long-term Debt	337.5	0.0
3.75% Senior Notes | Level 3
Debt Instrument [Line Items]
Long-term Debt	$ 0.0	$ 0.0
1.00% Senior Convertible Notes
Debt Instrument [Line Items]
Stated interest rate	1.00%	1.00%		1.00%
Long-term Debt	$ 250.7	$ 646.9
1.00% Senior Convertible Notes | Level 1
Debt Instrument [Line Items]
Long-term Debt	0.0	0.0
1.00% Senior Convertible Notes | Level 2
Debt Instrument [Line Items]
Long-term Debt	250.7	646.9
1.00% Senior Convertible Notes | Level 3
Debt Instrument [Line Items]
Long-term Debt	$ 0.0	$ 0.0
1.75% Senior Convertible Notes
Debt Instrument [Line Items]
Stated interest rate	1.75%	1.75%	1.75%
Long-term Debt	$ 73.4	$ 300.7
1.75% Senior Convertible Notes | Level 1
Debt Instrument [Line Items]
Long-term Debt	0.0	0.0
1.75% Senior Convertible Notes | Level 2
Debt Instrument [Line Items]
Long-term Debt	73.4	300.7
1.75% Senior Convertible Notes | Level 3
Debt Instrument [Line Items]
Long-term Debt	$ 0.0	$ 0.0