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Other Financial Information

3 Months Ended

Mar. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Other Financial Information

Other Financial Information

CASH FLOW DISCLOSURES — There were no cash income taxes paid, net of refunds and refunds of $0.5 million for the three month periods ended March 31, 2021 and 2020, respectively. Interest paid, net of amounts capitalized, was $18.4 million and $14.7 million for the three month periods ended March 31, 2021 and 2020, respectively.  

CHANGES IN WORKING CAPITAL:

			Three Months Ended March 31,
(Millions of dollars)			2021						2020
Accounts receivable			$	(5.3)					$	37.3
Inventories			20.5						(16.7)
Prepaid expenses and other current assets			(3.3)						13.7
Accounts payable and accrued liabilities			81.6						(66.1)
Income taxes payable			14.5						6.1
Net (increase) decrease in noncash operating working capital			$	108.0					$	(25.7)

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