Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 966.8	$ 894.8
Marketable investments	1,648.8	1,035.9
Accounts receivable, no allowance for 2022 and 2021	231.7	198.7
Inventories, net	91.0	93.8
Other current assets	118.1	100.4
Total current assets	3,056.4	2,323.6
Marketable investments	1,443.8	1,649.9
Goodwill and other intangible assets, net	44.5	44.6
Property, plant, and equipment, net	840.8	780.9
Deferred tax assets, net	281.3	261.9
Other non-current assets	114.8	108.2
Total assets	5,781.6	5,169.1
Current liabilities:
Accounts payable and accrued expenses	220.1	174.6
Share tracking awards plan	60.1	102.4
Other current liabilities	35.7	28.4
Total current liabilities	315.9	305.4
Line of credit	800.0	800.0
Other non-current liabilities	103.5	104.8
Total liabilities	1,219.4	1,210.2
Commitments and contingencies
Stockholders’ equity:
Preferred stock, par value $.01, 10,000,000 shares authorized, no shares issued	0.0	0.0
Common stock, par value $.01, 245,000,000 shares authorized, 72,182,311 and 71,727,021 shares issued, and 45,563,095 and 45,107,805 shares outstanding at September 30, 2022 and December 31, 2021, respectively	0.7	0.7
Additional paid-in capital	2,314.6	2,245.4
Accumulated other comprehensive loss	(84.1)	(23.0)
Treasury stock, 26,619,216 shares at September 30, 2022 and December 31, 2021	(2,579.2)	(2,579.2)
Retained earnings	4,910.2	4,315.0
Total stockholders’ equity	4,562.2	3,958.9
Total liabilities and stockholders’ equity	$ 5,781.6	$ 5,169.1