Condensed Consolidated Balance Sheets - USD ($) shares in Millions, $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 157.7	$ 373.6
Marketable securities	785.8	606.8
Other Assets, Current	63.5	58.3
Total current assets	1,007.0	1,038.7
Property and equipment, net	238.2	232.0
Goodwill	52.5	52.5
Deferred Income Tax Assets, Net	224.1	234.6
Deposits to acquire Intangible Assets	145.0	145.0
Other long-term assets	29.1	30.6
Total long-term assets	688.9	694.7
Total assets	1,695.9	1,733.4
Current liabilities:
Accounts payable and accrued liabilities	232.2	226.5
Deferred revenues	941.4	890.4
Total current liabilities	1,173.6	1,116.9
Long-term deferred revenues	320.7	328.7
Senior Notes	1,789.6	1,787.9
Other long-term liabilities	45.4	62.1
Total long-term liabilities	2,155.7	2,178.7
Total liabilities	3,329.3	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	12,020.7	12,644.5
Accumulated deficit	(13,651.1)	(14,204.0)
Accumulated other comprehensive loss	(3.0)	(2.7)
Total stockholders' deficit	(1,633.4)	(1,562.2)
Total liabilities and stockholders' deficit	$ 1,695.9	$ 1,733.4
Preferred stock, authorized shares	5.0	5.0
Preferred stock, par value	$ 0.001	$ 0.001
Common Stock, Shares, Issued	354.8	354.5
Common stock, authorized shares	1,000.0	1,000.0
Common stock, par value	$ 0.001	$ 0.001
Common stock, outstanding shares	102.4	105.3