Income Taxes - Significant Components of Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Dec. 28, 2024	Dec. 30, 2023
Deferred income tax assets:
Accounts receivable and inventory valuation allowances	$ 2.0	$ 16.0
Deferred compensation accruals	6.0	6.1
Accrued pension expense	17.9	19.7
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	5.8	7.0
Net operating loss and foreign tax credit carryforwards	75.8	56.6
Deferred Tax Assets, Capital Loss Carryforwards	23.7	60.4
Tenant lease expenses	9.3	10.6
Environmental reserve	10.9	14.8
Other	9.3	10.0
Total gross deferred income tax assets	160.7	201.2
Less valuation allowance	(56.2)	(55.6)
Net deferred income tax assets	104.5	145.6
Deferred income tax liabilities:
Intangible assets	(30.5)	(48.9)
Deferred Tax Liabilities, Deferred Expense	(3.2)	(3.4)
Deferred Tax Liabilities, Other	6.2	3.8
Total deferred income tax liabilities	(39.9)	(56.1)
Deferred Income Tax Assets, Net	$ 64.6	$ 89.5