Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating activities
Net income (loss)	$ 57.7	$ (630.0)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	99.0	100.6
Equity-based compensation expense	104.0	94.0
Non-cash restructuring charges	0.0	29.0
Tax receivable agreements liability adjustment	0.0	674.7
Other	16.8	18.4
Changes in operating assets and liabilities, net of amounts acquired:
Prepaid domain name registry fees	(40.6)	(17.5)
Prepaid expenses and other current assets	(20.9)	(16.9)
Accounts payable	25.7	7.2
Deferred revenue	196.4	155.1
Other operating assets and liabilities	(7.4)	(13.2)
Net cash provided by operating activities	430.7	401.4
Investing activities
Maturities of short-term investments	0.0	23.7
Business acquisitions, net of cash acquired	(320.1)	(189.9)
Purchases of intangible assets	(9.8)	0.0
Purchases of property and equipment	(21.1)	(30.7)
Purchases of equity investments	(10.0)	0.0
Other investing activities	1.1	0.3
Net cash used in investing activities	(359.9)	(196.6)
Proceeds received from:
Issuance of senior notes	800.0	0.0
Stock option exercises	25.8	44.5
Issuance of Class A common stock under ESPP	18.4	17.5
Payments made for:
Repurchases of Class A common stock	(275.9)	(541.7)
Repayment of term loans	(16.2)	(12.5)
Other financing obligations	(12.5)	(1.8)
Net cash provided by (used in) financing activities	539.6	(494.0)
Effect of exchange rate changes on cash and cash equivalents	(0.4)	(0.9)
Net increase (decrease) in cash and cash equivalents	610.0	(290.1)
Cash and cash equivalents, beginning of period	765.2	1,062.8
Cash and cash equivalents, end of period	1,375.2	772.7
Cash paid during the period for:
Interest on long-term debt, including impact of interest rate swaps	45.7	36.2
Income taxes, net of refunds received	11.6	8.0
Amounts included in the measurement of operating lease liabilities	27.0	24.7
Supplemental disclosure of non-cash transactions:
Operating lease assets obtained in exchange for operating lease liabilities	6.5	11.1
Accrued purchases of property and equipment at period end	$ 2.2	$ 3.7