Income Taxes - Summary of Temporary Differences That Give Rise to Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred income tax assets:
Inventory costing and valuation methods	$ 5.6	$ 6.7
Insurance reserves	8.3	8.6
Foreign net operating loss and credit carryforwards	3.0	2.6
Stock-based compensation	3.8	3.6
Operating lease liabilities	69.5	62.6
Section 174 capitalization	7.4	3.4
Other, deferred tax assets	9.4	9.6
Total deferred income tax assets	107.0	97.1
Less: Valuation allowances	(2.2)	(1.8)
Total net deferred income tax assets	104.8	95.3
Property and equipment	(95.4)	(102.6)
Operating lease ROU assets	(68.3)	(61.5)
Prepaid expenses	(3.5)	(3.5)
Other, deferred tax liabilities	(0.4)	(1.3)
Total deferred income tax liabilities	(167.6)	(168.9)
Net deferred income tax liabilities	$ (62.8)	$ (73.6)