XML 24 R8.htm IDEA: XBRL DOCUMENT v3.22.4
CONSOLIDATED STATEMENTS OF CASH FLOWS - SUPPLEMENTAL DISCLOSURE OF NON-CASH ITEMS (Parenthetical) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
CONSOLIDATED STATEMENTS OF CASH FLOWS - SUPPLEMENTAL DISCLOSURE OF NON-CASH ITEMS      
Accrued liabilities for intangible assets $ 9.4 $ 14.0 $ 9.8
Accounts payable for purchases of equipment 2.9 0.6 0.6
Accounts receivable included sales of available-for-sale short-term investments $ 15.2 $ 0.0 $ 0.0