Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Taxes [Abstract]

Schedule Of Income Before Income Tax, Domestic And Foreign

	For the Years Ended December 31,
Components of Income before Taxes		2023		2022		2021
Domestic	$	591.9	$	573.6	$	327.6
Foreign		37.4		35.9		23.3
Income before taxes	$	629.3	$	609.5	$	350.9

Schedule Of Components Of Income Tax Expense Benefit

	For the Years Ended December 31,
Components of Income Tax Provision		2023		2022		2021
Current expense:
U.S. Federal	$	109.7	$	119.5	$	77.3
State		29.1		28.8		18.2
Foreign		10.7		10.5		6.5
Total current expense	$	149.5	$	158.8	$	102.0
Deferred expense (benefit):
U.S. Federal	$	11.9	$	(2.1)	$	(10.9)
State		3.7		(0.6)		(3.2)
Foreign		(0.2)		(0.3)		—
Total deferred expense (benefit)	$	15.4	$	(3.0)	$	(14.1)
Total income tax provision	$	164.9	$	155.8	$	87.9

Schedule Of Effective Income Tax Rate Reconciliation

	For the Years Ended December 31,
	2023		2022		2021
Statutory U.S. federal income tax rate	21.0	%	21.0	%	21.0	%
State and local income taxes, net of federal benefit	4.1		3.7		3.3
Other, net	1.1		0.9		0.7
Effective tax rate	26.2	%	25.6	%	25.0	%

Schedule Of Deferred Tax Assets And Liabilities

Assets (Liabilities)		2023		2022
Pension	$	23.5	$	28.9
Operating lease liabilities		58.8		47.2
Postretirement benefits		16.1		16.0
Inventory		25.2		20.1
Payroll accruals		6.1		5.4
Computer software		3.7		—
Bad debt reserves		2.0		2.2
Other deferred tax assets		19.0		19.6
Subtotal		154.4		139.4
Less: valuation allowances		(1.1)		(0.8)
Deferred tax assets		153.3		138.6
Fixed assets		(50.6)		(41.4)
Operating lease right-of-use assets		(54.1)		(43.2)
Computer software		—		(0.8)
Other deferred tax liabilities		(23.0)		(22.3)
Deferred tax liabilities		(127.7)		(107.7)
Net deferred tax assets	$	25.6	$	30.9

Deferred income taxes included in non-current assets (liabilities) at December 31 were:

		2023		2022
Deferred tax assets included in other non-current assets	$	28.1	$	33.6
Deferred tax liabilities included in other non-current liabilities		(2.5)		(2.7)
Total	$	25.6	$	30.9

Summary Of Operating Loss Carryforwards

Operating loss and tax credit carryforwards included in net deferred tax assets, all of which expire between 2025 and 2032, at December 31 were:

		2023		2022
U.S. Federal	$	1.1	$	0.8
State		0.1		0.2

Schedule Of Unrecognized Tax Benefits Roll Forward

		2023		2022		2021
Balance at January 1,	$	0.5	$	1.0	$	1.7
Reductions for tax positions of prior years		(0.1)		(0.5)		(0.7)
Balance at December 31,	$	0.4	$	0.5	$	1.0