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Other Financial Information (Tables)

3 Months Ended

Mar. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Changes in Operating Working Capital

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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- Definition

Tabular disclosure of the net increase (decrease) in operating capital in the operating section of the statement of cash flows, represents the entire footnote disclosure that provides details regarding the net change during the reporting period of all assets and liabilities used in operating activities.

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