Consolidated Statements of Cash Flows - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net income		$ 224.9	$ 216.1
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		74.9	67.3
Equity-based compensation expense		20.5	19.4
Deferred income taxes		(14.1)	(10.0)
Provision for credit losses		8.3	4.2
Other		(1.7)	1.5
Changes in assets and liabilities:
Accounts receivable		(184.5)	253.5
Merchandise inventory		(112.1)	(3.7)
Other assets		(84.2)	(46.0)
Accounts payable-trade		231.5	(138.9)
Other liabilities		123.7	76.6
Net cash provided by operating activities		287.2	440.0
Cash flows from investing activities:
Capital expenditures		(26.9)	(29.5)
Acquisitions of businesses, net of cash acquired		(5.0)	(0.2)
Net cash used in investing activities		(31.9)	(29.7)
Cash flows from financing activities:
Proceeds from borrowings under revolving credit facility		386.6	0.0
Repayments of borrowings under revolving credit facility		(386.6)	0.0
Proceeds from receivable financing liability		14.0	0.0
Repayments of receivable financing liability		(5.2)	(13.9)
Net change in accounts payable-inventory financing		(11.5)	(46.1)
Repurchases of common stock		(200.1)	(52.1)
Proceeds from stock option exercises		5.9	28.9
Payment of incentive compensation plan withholding taxes		(18.6)	(29.9)
Dividend payments		(82.8)	(83.3)
Other		4.2	3.8
Net cash used in financing activities		(294.1)	(192.6)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash		6.7	(2.6)
Net (decrease) increase in cash, cash equivalents, and restricted cash		(32.1)	215.1
Cash, cash equivalents, and restricted cash—beginning of period	[1]	507.7	588.7
Cash, cash equivalents, and restricted cash—end of period	[1]	475.6	803.8
Supplementary disclosure of cash flow information:
Interest paid		(53.9)	(22.5)
Income taxes paid, net		$ (18.9)	$ (16.8)

[1] Restricted cash is presented within Prepaid expenses and other on the Consolidated Balance Sheets.