Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 699.5	$ 1,364.4
Short-term investments	662.3	208.4
Accounts receivable, net of allowance of $0.5 at March 31, 2021 and December 31, 2020, respectively	274.6	217.5
Restricted cash	120.0
Prepaid expenses	52.8	40.0
Other current assets	23.6	29.5
Total current assets	1,832.8	1,859.8
Long-term investments		2.0
Goodwill	3,164.3	3,160.8
Intangible assets, net	793.1	838.1
Property and equipment, net	37.6	39.3
Right-of-use assets	128.5	131.9
Restricted cash	16.0	136.0
Prepaid expenses	14.5	21.6
Other non-current assets	19.6	17.0
Total assets	6,006.4	6,206.5
Current liabilities:
Accounts payable	37.3	57.2
Income tax payable	43.4	39.6
Deferred revenue	778.4	747.7
Operating lease liabilities	18.1	18.5
Other current liabilities	547.0	462.4
Total current liabilities	1,424.2	1,325.4
Convertible senior notes, net	1,303.2	1,289.9
Deferred revenue	1.8	0.3
Deferred tax liabilities, net	109.9	126.3
Non-current operating lease liabilities	118.4	122.0
Other non-current liabilities	106.5	401.1
Total liabilities	3,064.0	3,265.0
Stockholders’ equity:
Common stock, $0.00000625 par value and additional paid in capital - authorized shares: 2,020.5 shares outstanding: 1,088.8 shares as of March 31, 2021 and 1,081.6 as of December 31, 2020	5,324.2	5,276.5
Accumulated other comprehensive income (loss)	(66.3)	(50.7)
Accumulated deficit	(2,315.5)	(2,284.3)
Total stockholders’ equity	2,942.4	2,941.5
Total liabilities and stockholders’ equity	$ 6,006.4	$ 6,206.5