Income Taxes - Significant Components of Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Dec. 29, 2018	Dec. 30, 2017
Deferred income tax assets:
Accounts receivable and inventory valuation allowances	$ 4.9	$ 5.9
Deferred compensation accruals	6.9	8.9
Accrued pension expense	21.6	33.9
Stock-based compensation	16.9	16.7
Net operating loss and foreign tax credit carryforwards	19.2	15.1
Book over tax depreciation and amortization	0.8	0.0
Tenant lease expenses	4.1	3.2
Environmental reserve	5.0	7.9
Other	5.8	10.4
Total gross deferred income tax assets	85.2	102.0
Less valuation allowance	(17.8)	(14.5)
Net deferred income tax assets	67.4	87.5
Deferred income tax liabilities:
Intangible assets	(157.3)	(155.3)
Deferred Tax Liabilities, Deferred Expense	(8.3)	(6.3)
Other	(6.6)	(5.8)
Total deferred income tax liabilities	(172.2)	(167.4)
Total deferred income tax liabilities	$ (104.8)	$ (79.9)