Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Taxes [Abstract]

Schedule Of Income Before Income Tax, Domestic And Foreign

	For the Years Ended December 31,
Components of Income before Taxes		2022		2021		2020
Domestic	$	573.6	$	327.6	$	151.1
Foreign		35.9		23.3		15.2
Income before taxes	$	609.5	$	350.9	$	166.3

Schedule Of Components Of Income Tax Expense Benefit

	For the Years Ended December 31,
Components of Income Tax Provision		2022		2021		2020
Current expense:
U.S. Federal	$	119.5	$	77.3	$	38.5
State		28.8		18.2		11.4
Foreign		10.5		6.5		4.5
Total current expense	$	158.8	$	102.0	$	54.4
Deferred benefit:
U.S. Federal	$	(2.1)	$	(10.9)	$	(7.8)
State		(0.6)		(3.2)		(2.3)
Foreign		(0.3)		—		(0.1)
Total deferred benefit	$	(3.0)	$	(14.1)	$	(10.2)
Total income tax provision	$	155.8	$	87.9	$	44.2

Schedule Of Effective Income Tax Rate Reconciliation

	For the Years Ended December 31,
	2022		2021		2020
Statutory U.S. federal income tax rate	21.0	%	21.0	%	21.0	%
State and local income taxes, net of federal benefit	3.7		3.3		4.3
Other, net	0.9		0.7		1.3
Effective tax rate	25.6	%	25.0	%	26.6	%

Schedule Of Deferred Tax Assets And Liabilities

Assets (Liabilities)		2022		2021
Pension	$	28.9	$	32.8
Operating lease liabilities		47.2		34.4
Postretirement benefits		16.0		19.3
Inventory		20.1		25.0
Other deferred tax assets		19.6		5.8
Payroll accruals		5.4		7.2
Bad debt reserves		2.2		0.7
Subtotal		139.4		125.2
Less: valuation allowances		(0.8)		(0.5)
Deferred tax assets		138.6		124.7
Fixed assets		(41.4)		(38.8)
Operating lease right-of-use assets		(43.2)		(32.3)
Other deferred tax liabilities		(22.3)		(9.1)
Computer software		(0.8)		(2.4)
Deferred tax liabilities		(107.7)		(82.6)
Net deferred tax assets	$	30.9	$	42.1

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

		2022		2021
Deferred tax assets included in other non-current assets	$	33.6	$	45.2
Deferred tax liabilities included in other non-current liabilities		(2.7)		(3.1)
Total	$	30.9	$	42.1

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:

		2022		2021
U.S. Federal	$	0.8	$	0.5
State		0.2		0.2

Schedule Of Unrecognized Tax Benefits Roll Forward

		2022		2021		2020
Balance at January 1,	$	1.0	$	1.7	$	1.9
Additions based on tax positions related to current year		—		—		0.2
Reductions for tax positions of prior years		(0.5)		(0.7)		(0.1)
Settlements		—		—		(0.3)
Balance at December 31,	$	0.5	$	1.0	$	1.7