CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Sep. 28, 2024	Sep. 30, 2023
OPERATING ACTIVITIES:
Net loss	$ (82.4)	$ (67.9)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation expense	27.0	28.2
Stock-based compensation	35.6	32.1
Amortization and write-off of acquired intangibles	43.6	29.0
Loss on sales and dispositions of property, plant and equipment	0.2	1.4
Amortization of debt discount and debt issuance costs	0.7	4.9
Write-off of right-of-use assets	5.3	0.0
Other non-cash items	(0.3)	(5.7)
Changes in operating assets and liabilities:
Accounts receivable	(3.8)	26.1
Inventories	(6.5)	(16.8)
Operating lease right-of-use assets, net	(0.2)	3.7
Prepayments and other current and non-currents assets	(16.6)	7.3
Income taxes, net	7.2	(19.9)
Accounts payable	32.6	(28.0)
Accrued payroll and related expenses	5.9	1.5
Operating lease liabilities	1.0	(4.0)
Accrued expenses and other current and non-current liabilities	(9.7)	5.8
Net cash provided by (used in) operating activities	39.6	(2.3)
INVESTING ACTIVITIES:
Payments for acquisition of property, plant and equipment	(74.1)	(57.8)
Purchases of short-term investments	(63.9)	(149.1)
Proceeds from maturities and sales of short-term investments	90.7	227.7
Payments for acquisition of intangible assets	0.0	(3.0)
Proceeds from the sales of property, plant and equipment	0.2	0.0
Net cash (used in) provided by investing activities	(47.1)	17.8
FINANCING ACTIVITIES:
Payment of withholding taxes related to net share settlement of restricted stock units	(16.0)	(12.9)
Proceeds from term loans	76.5	0.0
Proceeds from the exercise of stock options	0.9	0.0
Principal payments on term loans	(0.4)	0.0
Payment of acquisition related holdback	(1.0)	0.0
Net cash provided by (used in) financing activities	60.0	(12.9)
Decrease in cash and cash equivalents	52.5	2.6
Cash and cash equivalents at beginning of period	436.7	859.0
Cash and cash equivalents at end of period	489.2	861.6
Supplemental disclosure of cash flow information:
Cash paid (refund) for taxes, net	(4.2)
Cash paid (refund) for taxes, net		18.5
Cash paid for interest	0.1	0.6
Supplemental disclosure of non-cash investing and financing activities:
Right-of-use assets obtained in exchange for new operating lease liabilities	3.7	0.0
Property, Plant and Equipment
Supplemental disclosure of non-cash investing and financing activities:
Unpaid property, plant and equipment/intangible assets in accounts payable and accrued expenses	15.9	4.2
Finite-Lived Intangible Assets
Supplemental disclosure of non-cash investing and financing activities:
Unpaid property, plant and equipment/intangible assets in accounts payable and accrued expenses	$ 0.0	$ 2.0