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. 25, 2022		$ 11.2
Redeemable Noncontrolling Interest
Net income (loss) from consolidated operations		11.3
Balance, end of period at Dec. 31, 2023		22.5
Balance, beginning of period (in shares) at Dec. 25, 2022			126,000,000.0
Balance, beginning of period at Dec. 25, 2022	$ 936.3		$ 0.0	$ 1,608.4	$ (0.8)	$ (671.3)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	25.3			25.3
Issuance of common stock for employee stock purchase plan and stock awards (in shares)			800,000
Issuance of common stock for employee stock purchase plan and stock awards	6.5			6.5
Restricted stock issued and related taxes (in shares)			700,000
Restricted stock issued and related taxes	(3.7)			(3.7)
Issuance of common stock for equity raise (in shares)			1,000,000.0
Issuance of common stock for equity raise	14.8			14.8
Gain (loss) on interest rate swap contract	0.7				0.7
Net income (loss) from consolidated operations	(8.9)					(8.9)
Other comprehensive income (loss), net of tax	1.8				1.8
Acquisition of noncontrolling interest (in shares)			800,000
Acquisition of noncontrolling interest	3.2			3.2
Balance, end of period (in shares) at Dec. 31, 2023			129,300,000
Balance, end of period at Dec. 31, 2023	976.0		$ 0.0	1,654.5	1.7	(680.2)
Redeemable Noncontrolling Interest
Acquisition of noncontrolling interest		(22.5)
Balance, end of period at Dec. 29, 2024		0.0
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	29.8			29.8
Issuance of common stock for employee stock purchase plan and stock awards (in shares)			600,000
Issuance of common stock for employee stock purchase plan and stock awards	8.2			8.2
Restricted stock issued and related taxes (in shares)			1,400,000
Restricted stock issued and related taxes	(17.4)			(17.4)
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
Issuance of common stock for acquisitions	0.5			0.5
Gain (loss) on interest rate swap contract	0.1				0.1
Net income (loss) from consolidated operations	16.3					16.3
Other comprehensive income (loss), net of tax	(2.3)				(2.3)
Acquisition of noncontrolling interest (in shares)			600,000
Acquisition of noncontrolling interest	$ 11.3			11.3
Balance, end of period (in shares) at Dec. 29, 2024	151,092,292		151,100,000
Balance, end of period at Dec. 29, 2024	$ 1,353.2		$ 0.2	2,017.4	(0.5)	(663.9)
Balance, end of period at Dec. 28, 2025		$ 0.0
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	35.5			35.5
Issuance of common stock for employee stock purchase plan and stock awards (in shares)			500,000
Issuance of common stock for employee stock purchase plan and stock awards	9.9			9.9
Restricted stock issued and related taxes (in shares)			1,200,000
Restricted stock issued and related taxes	(20.0)			(20.0)
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	37.2			37.2
Gain (loss) on interest rate swap contract	(0.9)				(0.9)
Net income (loss) from consolidated operations	22.0					22.0
Other comprehensive income (loss), net of tax	$ 3.5				3.5
Balance, end of period (in shares) at Dec. 28, 2025	168,875,032		168,900,000
Balance, end of period at Dec. 28, 2025	$ 1,996.3		$ 0.2	$ 2,635.9	$ 2.1	$ (641.9)