CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities:
Net income	$ 25,900	$ 187,700
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	72,100	51,700
Amortization of deferred commissions costs	56,300	45,300
Amortization of Senior Notes discount and issuance costs	1,700	1,200
Non-cash lease expense	16,500	14,100
Stock-based compensation expense	45,500	41,900
Deferred income taxes, net	(6,400)	(7,000)
Credit loss expense	17,000	13,900
Other operating activities, net	100	500
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(31,100)	(40,600)
Prepaid expenses and other current assets	(13,800)	(4,200)
Deferred commissions	(67,600)	(65,000)
Accounts payable and other liabilities	88,000	54,400
Lease liabilities	(18,400)	(16,600)
Income taxes payable, net	(7,000)	12,900
Deferred revenue	19,000	8,900
Other assets	(100)	(700)
Net cash provided by operating activities	197,700	298,400
Investing activities:
Purchases of property, equipment, and other assets for new campuses	(449,500)	(45,600)
Purchases of property, equipment, and other assets	(23,000)	(8,800)
Cash paid for acquisitions, net of cash acquired	(5,100)	0
Net cash used in investing activities	(477,600)	(54,400)
Financing activities:
Repurchase of restricted stock to satisfy tax withholding obligations	(26,900)	(22,500)
Proceeds from exercise of stock options and employee stock purchase plan	17,200	16,200
Payments of debt issuance costs	(3,400)	0
Principal repayments of finance lease obligations	(2,200)	0
Net cash used in financing activities	(15,300)	(6,300)
Effect of foreign currency exchange rates on cash and cash equivalents	(1,200)	(400)
Net (decrease) increase in cash and cash equivalents	(296,400)	237,300
Cash and cash equivalents at the beginning of period	5,215,900	4,968,000
Cash and cash equivalents at the end of period	4,919,500	5,205,300
Supplemental cash flow disclosures:
Interest paid	15,700	15,400
Income taxes paid	54,100	63,700
Supplemental non-cash investing and financing activities:
Accrued capital expenditures and non-cash landlord incentives	$ 11,300	$ 8,200