Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net income	$ 330.3	$ 292.7	$ 628.9	$ 590.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property and equipment	42.4	41.0	84.4	81.2
Gain on sale of property and equipment	(1.3)	(1.1)	(1.6)	(1.7)
Bad debt expense (recoveries)	0.2	0.3	1.9	(0.6)
Deferred income taxes	0.7	0.4	1.4	1.2
Stock-based compensation	2.0	2.0	4.1	4.0
Amortization of intangible assets	2.7	2.7	5.4	5.4
Changes in operating assets and liabilities:
Trade accounts receivable, net	(36.4)	6.7	(206.4)	(120.9)
Inventories	(41.2)	(9.7)	(67.7)	12.2
Other current assets	15.5	(28.4)	25.6	6.5
Accounts payable	(20.6)	15.1	24.7	30.7
Accrued expenses	38.9	9.4	30.1	(22.5)
Income taxes	(58.4)	(73.5)	12.5	1.0
Other	3.8	0.4	(2.5)	6.7
Net cash provided by operating activities	278.6	258.0	540.8	593.6
Cash flows from investing activities:
Purchases of property and equipment	(69.3)	(56.1)	(125.0)	(106.9)
Proceeds from sale of property and equipment	5.0	3.5	6.9	6.0
Other	(0.1)	(0.1)	(0.2)	(0.2)
Net cash used in investing activities	(64.4)	(52.7)	(118.3)	(101.1)
Cash flows from financing activities:
Proceeds from debt obligations	520.0	225.0	675.0	385.0
Payments against debt obligations	(490.0)	(190.0)	(645.0)	(410.0)
Proceeds from exercise of stock options	6.1	2.8	17.3	18.6
Cash dividends paid	(252.5)	(223.3)	(499.1)	(446.5)
Net cash used in financing activities	(216.4)	(185.5)	(451.8)	(452.9)
Effect of exchange rate changes on cash and cash equivalents	8.2	(1.4)	11.3	(5.4)
Net (decrease) increase in cash and cash equivalents	6.0	18.4	(18.0)	34.2
Cash and cash equivalents at beginning of period	231.8	237.1	255.8	221.3
Cash and cash equivalents at end of period	237.8	255.5	237.8	255.5
Supplemental information:
Cash paid for interest	2.7	1.8	4.2	4.2
Net cash paid for income taxes	163.4	165.8	185.3	181.8
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities	$ 42.7	$ 19.0	$ 73.2	$ 49.4