Income Taxes - Summary of Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 26, 2025	Dec. 27, 2024
Deferred tax assets:
Interest expense limitation	$ 44.8	$ 39.5
Operating lease liabilities	27.7	28.3
Tax loss carryforwards	39.5	40.4
Capitalized research and development costs	9.1	12.5
Inventory valuation and basis difference	6.8	7.4
Accruals	4.2	4.6
Tax credits	7.5	6.5
Other timing differences	6.2	8.2
Deferred tax assets, gross non-current	145.8	147.4
Valuation allowance	(104.2)	(96.3)
Total deferred tax assets	41.6	51.1
Deferred tax liabilities:
Goodwill	(10.1)	(21.7)
Operating lease right-of-use assets	(25.4)	(27.2)
Intangibles	(7.6)	(9.6)
Depreciation	(6.6)	(3.6)
Other	(2.2)	(2.0)
Total deferred tax liabilities	(51.9)	(64.1)
Net deferred tax liabilities	$ (10.3)	$ (13.0)