Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 27, 2024	Sep. 29, 2023
Cash flows from operating activities:
Net income (loss)	$ 14.5	$ (20.6)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	34.1	27.9
Amortization of intangible assets	22.9	16.9
Stock-based compensation	12.7	8.7
Amortization of debt issuance costs	2.4	2.9
Change in the fair value of financial instruments	(21.7)	(0.3)
Deferred income taxes	(1.2)	0.1
Loss (gain) on sale of property, plant and equipment	1.2	(1.1)
Changes in assets and liabilities:
Accounts receivable	(47.3)	83.2
Inventories	(28.1)	65.6
Prepaid expenses and other current assets	(2.9)	7.5
Other non-current assets	0.6	0.8
Accounts payable	46.1	(61.2)
Accrued compensation and related benefits	0.2	(11.8)
Income taxes payable	1.4	(8.9)
Operating lease assets and liabilities	8.1	(3.7)
Other liabilities	4.9	(5.4)
Net cash provided by operating activities	47.9	100.6
Cash flows from investing activities:
Purchases of property, plant and equipment	(46.2)	(59.2)
Proceeds from sale of equipment	0.0	2.3
Net cash used in investing activities	(46.2)	(56.9)
Cash flows from financing activities:
Proceeds from bank borrowings	67.7	0.0
Proceeds from issuance of common stock	0.9	0.0
Extinguishment of bank borrowings	(44.2)	0.0
Principal payments on bank borrowings	(10.1)	(34.7)
Payment of debt issuance costs	(2.5)	(0.3)
Employees' taxes paid upon vesting of restricted stock units	(2.5)	(2.2)
Payments of dividends to a joint venture shareholder	(0.5)	(0.1)
Repurchase of shares	0.0	(23.7)
Net cash provided by (used in) financing activities	8.8	(61.0)
Effect of exchange rate changes on cash and cash equivalents	0.7	0.5
Net increase (decrease) in cash and cash equivalents	11.2	(16.8)
Cash and cash equivalents at beginning of period	307.0	358.8
Cash and cash equivalents at end of period	318.2	342.0
Supplemental cash flow information:
Income taxes paid, net of income tax refunds	28.1	26.7
Interest paid	33.7	33.0
Non-cash investing and financing activities:
Property, plant and equipment purchased included in accounts payable and other liabilities	$ 3.9	$ 12.0