Income Taxes - Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Dec. 30, 2022	Dec. 31, 2021
Deferred tax liabilities:
Allowances and other accrued liabilities	$ (0.1)	$ (1.0)
Inventories	(17.1)	(15.7)
Property, plant and equipment	(75.7)	(73.6)
Equity in earnings of unconsolidated companies	(0.2)	(0.1)
Pension obligations	(2.6)	(4.6)
Other noncurrent deferred tax liabilities	(26.8)	(20.5)
ROU assets	(21.0)	(24.4)
Total noncurrent deferred tax liabilities	(143.5)	(139.9)
Deferred tax assets:
Allowances and other accrued assets	17.9	15.7
Inventories	5.9	4.6
Pension obligations	21.4	22.8
Property, plant and equipment	1.0	2.1
Post-retirement benefits other than pension	3.6	3.6
Net operating loss carryforwards	434.2	415.7
Capital loss carryover	2.1	2.4
Other noncurrent assets	93.9	56.2
Operating lease	22.9	25.8
Total noncurrent deferred tax assets	602.9	548.9
Valuation allowance	(483.5)	(424.8)
Deferred Tax Assets, Net of Valuation Allowance, Total	119.4	124.1
Net deferred tax liabilities	$ (24.1)	$ (15.8)