Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 27, 2026	Mar. 28, 2025
Cash flows from operating activities:
Net loss	$ (15.0)	$ (2.5)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	12.3	11.7
Amortization of intangible assets	6.9	7.3
Stock-based compensation	3.2	2.9
Amortization of debt issuance costs	0.7	0.6
Loss on extinguishment of debt	3.0	0.0
Loss on disposal of property, plant and equipment	1.0	0.0
Change in the fair value of financial instruments	0.0	(0.1)
Deferred income taxes	14.6	(0.3)
Changes in assets and liabilities:
Accounts receivable	(24.0)	23.1
Inventories	(91.0)	6.4
Prepaid expenses and other current assets	(7.3)	(0.6)
Other non-current assets	1.1	0.2
Accounts payable	68.0	(8.5)
Accrued compensation and related benefits	(4.0)	(10.4)
Income taxes payable	(2.8)	(0.7)
Operating lease right-of-use assets and operating lease liabilities	0.4	1.4
Other liabilities	(0.4)	(2.3)
Net cash provided by (used in) operating activities	(33.3)	28.2
Cash flows from investing activities:
Purchases of property, plant and equipment	(9.6)	(12.4)
Proceeds from sale of equipment	0.1	0.0
Net cash used in investing activities	(9.5)	(12.4)
Cash flows from financing activities:
Proceeds from the issuance of convertible notes	600.0	0.0
Payment of debt issuance costs	(15.3)	(0.2)
Repurchase of common stock	(40.0)	0.0
Payment for capped call transactions	(25.1)	0.0
Principal payments on bank borrowings	(462.0)	(12.0)
Net cash provided by (used in) financing activities	57.6	(12.2)
Effect of exchange rate changes on cash and cash equivalents	(3.1)	0.1
Net increase in cash and cash equivalents	11.7	3.7
Cash and cash equivalents at beginning of period	311.8	313.9
Cash and cash equivalents at end of period	323.5	317.6
Supplemental cash flow information:
Income taxes paid, net of income tax refunds	6.1	8.6
Interest paid	6.6	12.7
Non-cash investing and financing activities:
Property, plant and equipment purchased included in accounts payable and other liabilities	$ 3.3	$ 6.8