Income Taxes - Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Dec. 29, 2023	Dec. 30, 2022
Deferred tax liabilities:
Allowances and other accrued liabilities	$ (0.2)	$ (0.1)
Inventories	(14.8)	(17.1)
Property, plant and equipment	(69.7)	(75.7)
Equity in earnings of unconsolidated companies	(0.5)	(0.2)
Pension obligations	(2.7)	(2.6)
Other noncurrent deferred tax liabilities	(28.1)	(26.8)
ROU assets	(21.6)	(21.0)
Total noncurrent deferred tax liabilities	(137.6)	(143.5)
Deferred tax assets:
Allowances and other accrued assets	13.9	17.9
Inventories	9.6	5.9
Pension obligations	22.4	21.4
Property, plant and equipment	3.6	1.0
Post-retirement benefits other than pension	2.7	3.6
Net operating loss carryforwards	434.5	434.2
Capital loss carryover	2.2	2.1
Other noncurrent assets	129.7	93.9
Operating lease	23.5	22.9
Total noncurrent deferred tax assets	642.1	602.9
Valuation allowance	(525.7)	(483.5)
Deferred Tax Assets, Net of Valuation Allowance, Total	116.4	119.4
Net deferred tax liabilities	$ (21.2)	$ (24.1)