CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities:
Net income	$ 481,880	$ 501,609
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property, equipment and intangibles	82,923	79,757
Amortization of debt discount and issuance costs	1,102	1,070
Deferred income taxes	5,031	10,551
Share-based compensation programs	6,533	6,292
Other	1,007	920
Changes in operating assets and liabilities:
Accounts receivable	(33,678)	(37,917)
Inventory	(158,387)	30,915
Accounts payable	247,280	134,091
Income taxes payable	138,228	138,196
Other	(82,033)	25,188
Net cash provided by operating activities	689,886	890,672
Investing activities:
Purchases of property and equipment	(103,990)	(94,879)
Proceeds from sale of property and equipment	3,157	2,097
Investment in tax credit equity investments	(4,080)	(6)
Other	(68)	(969)
Net cash used in investing activities	(104,981)	(93,757)
Financing activities:
Repurchases of common stock	(775,208)	(664,548)
Net proceeds from issuance of common stock	19,939	13,557
Other	(350)	(313)
Net cash used in financing activities	(755,619)	(651,304)
Effect of exchange rate changes on cash	147	(371)
Net (decrease) increase in cash and cash equivalents	(170,567)	145,240
Cash and cash equivalents at beginning of the period	362,113	465,640
Cash and cash equivalents at end of the period	191,546	610,880
Supplemental disclosures of cash flow information:
Income taxes paid	8,584	5,567
Interest paid, net of capitalized interest	$ 31,514	$ 37,485