Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 1,087.2	$ 1,364.4
Short-term investments	252.6	208.4
Accounts receivable, net of allowance of $0.9 at September 30, 2021 and $0.5 at December 31, 2020	210.0	217.5
Restricted cash	136.0
Prepaid expenses	58.2	40.0
Other current assets	32.5	29.5
Total current assets	1,776.5	1,859.8
Long-term investments		2.0
Goodwill	3,296.6	3,160.8
Intangible assets, net	806.3	838.1
Property and equipment, net	26.3	39.3
Right-of-use assets	90.3	131.9
Restricted cash	25.2	136.0
Prepaid expenses	23.4	21.6
Other non-current assets	23.1	17.0
Total assets	6,067.7	6,206.5
Current liabilities:
Accounts payable	50.0	57.2
Income tax payable	63.4	39.6
Deferred revenue	733.6	747.7
Operating lease liabilities	17.6	18.5
Other current liabilities	552.2	462.4
Total current liabilities	1,416.8	1,325.4
Convertible senior notes, net	1,330.2	1,289.9
Deferred revenue	0.1	0.3
Deferred tax liabilities, net	97.9	126.3
Non-current operating lease liabilities	137.4	122.0
Other non-current liabilities	78.3	401.1
Total liabilities	3,060.7	3,265.0
Stockholders’ equity:
Common stock, $0.00000625 par value and additional paid in capital - authorized shares: 2,020.5; shares outstanding: 1,100.2 shares as of September 30, 2021 and 1,081.6 as of December 31, 2020	5,418.8	5,276.5
Accumulated other comprehensive income (loss)	(75.4)	(50.7)
Accumulated deficit	(2,336.4)	(2,284.3)
Total stockholders’ equity	3,007.0	2,941.5
Total liabilities and stockholders’ equity	$ 6,067.7	$ 6,206.5