Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash Flows from Operating Activities
Net Income	$ 453.7	$ 263.0	$ 122.1
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	53.4	49.8	52.8
Non-cash operating lease expense	39.5	34.9	33.8
Deferred income taxes	(3.0)	(14.1)	(10.2)
Net losses (gains) on disposal of assets	0.4	(9.4)	(3.0)
Losses on impairment of assets			0.3
Non-cash pension settlement charge	27.0	30.4	27.7
Net income attributable to noncontrolling interests	(0.8)	(0.6)	(0.3)
Changes in assets and liabilities:
Trade receivables	(235.7)	(274.5)	(5.2)
Merchandise inventory	(201.0)	(187.6)	68.0
Other current assets	(28.6)	2.5	(4.9)
Other non-current assets	(43.3)	(2.0)	(1.1)
Trade accounts payable	213.6	157.9	48.1
Accrued payroll and benefit costs	30.5	64.8	(30.2)
Other current liabilities	50.8	32.6	25.1
Other non-current liabilities	(3.6)	(20.2)	(21.3)
Total adjustments to net income	(100.8)	(135.5)	179.6
Net cash provided by operating activities	352.9	127.5	301.7
Cash Flows from Investing Activities
Proceeds from disposal of property	0.6	9.9	7.9
Capital expenditures for property	(67.7)	(70.9)	(31.1)
Acquisitions, net of cash acquired	(83.7)	(88.7)	(27.2)
Net cash used by investing activities	(150.8)	(149.7)	(50.4)
Cash Flows from Financing Activities
Net (decrease) increase in short-term borrowings	(92.6)	74.2	(88.0)
Principal payments under finance arrangements	(2.1)	(2.3)	(3.9)
Payment of deferred financing fees		(2.2)
Proceeds from advance payments on common stock prior to issuance	1.0	2.1
Sales of common stock	20.4	20.5	19.1
Purchases of common stock	(14.7)	(15.9)	(16.5)
Sales of noncontrolling interests’ common stock		1.1
Purchases of noncontrolling interests’ common stock	(0.4)	(0.8)	(0.9)
Dividends paid	(92.8)	(137.2)	(90.7)
Net cash used by financing activities	(181.2)	(60.5)	(180.9)
Net Increase (Decrease) in Cash	20.9	(82.7)	70.4
Cash, Beginning of Year	48.5	131.2	60.8
Cash, End of Year	69.4	48.5	131.2
Non-cash Investing and Financing Activities
Acquisitions of equipment under finance leases	1.5	0.4	0.3
Acquisitions of assets under operating leases	82.1	54.7	35.3
Cash Paid During the Year for:
Interest, net of amounts capitalized	1.6	1.0	3.8
Income taxes, net of refunds	$ 164.9	$ 96.7	$ 55.3