Consolidated Statement of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net income	$ 120,716	$ 158,060
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	42,187	42,290
Non-cash lease expense	56,903	51,075
Provision for uncollectible accounts receivable	3,183	2,010
Deferred income taxes	2,180	4,236
Stock-based compensation	18,478	17,026
Other, net	(11,278)	568
Changes in operating assets and liabilities:
Accounts receivable	(162,252)	(146,139)
Inventories	(50,336)	135,417
Prepaid expenses and other current assets	5,008	26,809
Prepaid expenses and other current assets	(5,008)	(26,809)
Other assets	195	3,106
Accounts payable	(17,044)	(152,168)
Accrued liabilities	(7,823)	(42,251)
Income taxes payable	(22,439)	(20,434)
Operating lease assets and liabilities	56,557	49,322
Other liabilities	2,661	(1,897)
Net cash provided by (used in) operating activities	(76,608)	22,174
Cash flows from investing activities:
Purchases of short-term investments	(388,348)	(117,877)
Sales and maturities of short-term investments	751,232	120,747
Capital expenditures	41,736	41,355
Net cash provided by (used in) investing activities	321,148	(38,485)
Cash flows from financing activities:
Proceeds from credit facilities	0	837
Repayments on credit facilities	0	(837)
Proceeds from issuance of common stock related to stock-based compensation	3,955	7,081
Tax payments related to stock-based compensation	(4,806)	(4,620)
Repurchase of common stock	(230,864)	(144,633)
Cash dividends paid	52,860	55,379
Net cash used in financing activities	(284,575)	(197,551)
Net effect of exchange rate changes on cash	(3,604)	(3,097)
Net decrease in cash and cash equivalents	(43,639)	(216,959)
Cash and cash equivalents, beginning of period	306,680	213,282
Cash and cash equivalents, end of period	306,680	213,282
Supplemental disclosures of cash flow information:
Cash paid during the period for income taxes	63,650	66,580
Supplemental disclosures of non-cash investing and financing activities:
Property, plant and equipment acquired through increase in liabilities	$ 12,224	$ 5,389