XML 43 R22.htm IDEA: XBRL DOCUMENT v3.20.4
Other Financial Information
12 Months Ended
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Other Financial Information Other Financial Information
 
CASH FLOW DISCLOSURES — Cash income taxes paid (collected), net of refunds, were $96.5 million, $26.9 million and $17.4 million for the three years ended December 31, 2020, 2019 and 2018, respectively. Interest paid, net of amounts capitalized, was $49.1 million, $56.6 million and $50.4 million for the years ended December 31, 2020, 2019 and 2018, respectively.

CHANGES IN WORKING CAPITAL -
Years ended December 31,
(Millions of dollars)202020192018
Accounts receivable$4.9 $(33.4)$86.6 
Inventories(51.7)(6.1)(39.0)
Prepaid expenses and other current assets16.6 (3.3)11.4 
Accounts payable and accrued liabilities8.3 (5.9)(56.7)
Income taxes payable8.8 — — 
Net decrease (increase) in noncash operating working capital$(13.1)$(48.7)$2.3