CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Redeemable Noncontrolling Interest	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Balance, beginning of period at Dec. 31, 2023		$ 22.5
Equity, Attributable to Noncontrolling Interest [Roll Forward]
Changes in noncontrolling interest	$ 11.3	(22.5)		$ 11.3
Balance, end of period at Sep. 29, 2024		0.0
Balance, beginning of period (in shares) at Dec. 31, 2023			129,300,000
Balance, beginning of period at Dec. 31, 2023	976.0		$ 0.0	1,654.5	$ 1.7	$ (680.2)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	23.0			23.0
Issuance of common stock for employee stock purchase plan and stock options (in shares)			500,000
Issuance of common stock for employee stock purchase plan and stock options	8.2			8.2
Restricted stock issued and related taxes (in shares)			1,400,000
Restricted stock issued and related taxes	(17.3)			(17.3)
Issuance of common stock for equity raise (in shares)			19,200,000
Issuance of common stock for equity raise	330.7		$ 0.2	330.5
Loss on interest rate swap contract	(1.3)				(1.3)
Net income	12.4					12.4
Other comprehensive (loss) income, net of tax	(0.1)				(0.1)
Changes in noncontrolling interest (in shares)			600,000
Changes in noncontrolling interest	11.3	(22.5)		11.3
Balance, end of period (in shares) at Sep. 29, 2024			151,000,000.0
Balance, end of period at Sep. 29, 2024	1,342.9		$ 0.2	2,010.2	0.3	(667.8)
Balance, end of period at Sep. 29, 2024		$ 0.0
Balance, beginning of period (in shares) at Jun. 30, 2024			150,700,000
Balance, beginning of period at Jun. 30, 2024	1,329.3		$ 0.2	1,998.6	1.5	(671.0)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	7.2			7.2
Issuance of common stock for employee stock purchase plan and stock options (in shares)			300,000
Issuance of common stock for employee stock purchase plan and stock options	4.6			4.6
Restricted stock issued and related taxes	(0.2)			(0.2)
Loss on interest rate swap contract	(2.6)				(2.6)
Net income	3.2					3.2
Other comprehensive (loss) income, net of tax	1.4				1.4
Balance, end of period (in shares) at Sep. 29, 2024			151,000,000.0
Balance, end of period at Sep. 29, 2024	$ 1,342.9		$ 0.2	2,010.2	0.3	(667.8)
Balance, beginning of period (in shares) at Dec. 29, 2024	151,092,292		151,100,000
Balance, beginning of period at Dec. 29, 2024	$ 1,353.2		$ 0.2	2,017.4	(0.5)	(663.9)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	26.4			26.4
Issuance of common stock for employee stock purchase plan and stock options (in shares)			500,000
Issuance of common stock for employee stock purchase plan and stock options	9.9			9.9
Restricted stock issued and related taxes (in shares)			1,100,000
Restricted stock issued and related taxes	(19.2)			(19.2)
Issuance of common stock for equity raise (in shares)			14,900,000
Issuance of common stock for equity raise	555.9			555.9
Issuance of common stock for acquisitions (in shares)			1,200,000
Issuance of common stock for acquisitions	36.6			36.6
Loss on interest rate swap contract	(0.8)				(0.8)
Net income	16.1					16.1
Other comprehensive (loss) income, net of tax	$ 3.4				3.4
Balance, end of period (in shares) at Sep. 28, 2025	168,838,631		168,800,000
Balance, end of period at Sep. 28, 2025	$ 1,981.5		$ 0.2	2,627.0	2.1	(647.8)
Balance, beginning of period (in shares) at Jun. 29, 2025			168,600,000
Balance, beginning of period at Jun. 29, 2025	1,960.0		$ 0.2	2,613.5	2.8	(656.5)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	9.1			9.1
Issuance of common stock for employee stock purchase plan and stock options (in shares)			200,000
Issuance of common stock for employee stock purchase plan and stock options	5.3			5.3
Restricted stock issued and related taxes	(0.9)			(0.9)
Loss on interest rate swap contract	(0.3)				(0.3)
Net income	8.7					8.7
Other comprehensive (loss) income, net of tax	$ (0.4)				(0.4)
Balance, end of period (in shares) at Sep. 28, 2025	168,838,631		168,800,000
Balance, end of period at Sep. 28, 2025	$ 1,981.5		$ 0.2	$ 2,627.0	$ 2.1	$ (647.8)