Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 24, 2023
Cash flows from operating activities
Net (loss)/income	$ (47.8)	$ 125.6	$ 73.6
Adjustments to reconcile net (loss)/income to net cash provided by operating activities:
Share-based compensation costs	112.8	118.8	122.0
Depreciation	28.9	27.6	27.4
Acquired intangible assets amortization	114.2	81.6	130.4
Deferred taxes	(75.4)	(288.8)	(25.9)
Intangible asset impairment charge	13.8	16.0	0.0
Other	24.7	25.0	27.4
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable, net	12.3	22.4	161.3
Inventories	(25.1)	6.5	24.6
Prepaid expenses and other assets	12.0	(14.3)	3.3
Accounts payable	10.8	38.9	(95.6)
Income taxes payable	(43.3)	(19.1)	(15.6)
Other accrued liabilities	4.1	(4.3)	(101.4)
Net cash provided by operating activities	142.0	135.9	331.5
Cash flows from investing activities
Acquisition of business, net of cash and cash equivalents acquired	(201.1)	0.0	(15.5)
Advance payment on intangible assets	0.0	(120.3)	0.0
Proceeds from maturities of investments	0.0	26.5	21.4
Proceeds from sale of investments	0.0	0.0	22.2
Purchases of short-term investments	(61.0)	(16.6)	0.0
Purchases of property and equipment	(25.8)	(33.8)	(34.2)
Purchase of intangible assets	(10.0)	(13.5)	0.0
Other	0.0	0.0	0.1
Net cash used by investing activities	(297.9)	(157.7)	(6.0)
Cash flows from financing activities
Proceeds from issuance of convertible notes, net of issuance costs	439.5	0.0	0.0
Payment of debt issuance costs on convertible senior notes and revolving credit facility	(4.4)	0.0	0.0
Payments for capped call transactions related to convertible senior notes	(49.9)	0.0	0.0
Proceeds from issuance of shares	13.9	15.9	17.6
Payroll taxes related to net share settlement of share-based awards	(19.6)	(36.9)	(54.5)
Repurchases of common stock, exclusive of excise taxes	(128.3)	0.0	(183.5)
Repayment of debt	(583.5)	(7.5)	(6.0)
Other	0.9	3.4	5.1
Net cash used by financing activities	(331.4)	(25.1)	(221.3)
Effect of exchange rate changes on cash and cash equivalents	1.9	(0.9)	(3.5)
Net (decrease)/increase in cash and cash equivalents	(485.4)	(47.8)	100.7
Cash and cash equivalents, beginning of period	876.9	924.7	824.0
Cash and cash equivalents, end of period	391.5	876.9	924.7
Supplemental disclosures of cash flow information
Cash paid for taxes, net of refunds	47.2	55.2	91.4
Cash paid for interest	38.7	63.4	51.9
Supplemental disclosures of non-cash transactions
Deferred payment of purchase consideration	3.2	0.0	0.0
Purchases of property and equipment in current liabilities	3.5	4.3	2.2
Receipt of intangible assets from advance payments	$ 0.0	$ 74.0	$ 30.0