Condensed Consolidated Balance Sheets - USD ($) shares in Millions, $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 343.9	$ 373.6
Marketable securities	591.7	606.8
Other Assets, Current	61.8	58.3
Total current assets	997.4	1,038.7
Property and equipment, net	222.8	232.0
Goodwill	52.5	52.5
Deferred Income Tax Assets, Net	231.6	234.6
Deposits to acquire Intangible Assets	145.0	145.0
Other long-term assets	27.9	30.6
Total long-term assets	679.8	694.7
Total assets	1,677.2	1,733.4
Current liabilities:
Accounts payable and accrued liabilities	202.2	226.5
Deferred revenues	939.5	890.4
Total current liabilities	1,141.7	1,116.9
Long-term deferred revenues	321.1	328.7
Senior Notes	1,789.0	1,787.9
Other long-term liabilities	43.3	62.1
Total long-term liabilities	2,153.4	2,178.7
Total liabilities	3,295.1	3,295.6
Commitments and contingencies
Stockholders' deficit:
Preferred stock-par value $.001 per share	0.0	0.0
Common Stocks, Including Additional Paid in Capital	12,225.1	12,644.5
Accumulated deficit	(13,839.6)	(14,204.0)
Accumulated other comprehensive loss	(3.4)	(2.7)
Total stockholders' deficit	(1,617.9)	(1,562.2)
Total liabilities and stockholders' deficit	$ 1,677.2	$ 1,733.4
Common Stock, Shares, Issued	354.8	354.5
Common stock, outstanding shares	103.4	105.3
Preferred stock, authorized shares	5.0	5.0
Preferred stock, par value	$ 0.001	$ 0.001
Common stock, authorized shares	1,000.0	1,000.0
Common stock, par value	$ 0.001	$ 0.001