Supplemental Cash Flow Information

9 Months Ended

Sep. 30, 2021

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

14. Supplemental Cash Flow Information

	Nine Months Ended September 30,
	2021		2020
	(In millions of dollars)
Interest paid	$	35.9	$	17.7
Non-cash investing and financing activities (included in Accounts payable):
Unpaid purchases of property and equipment	$	10.1	$	3.5
Supplemental lease disclosures:
Operating lease liabilities arising from obtaining operating lease assets	$	24.3	$	4.9
Cash paid for amounts included in the measurement of operating lease liabilities	$	5.7	$	3.4
Finance lease liabilities arising from obtaining finance lease assets	$	2.1	$	2.2

	As of September 30,
	2021		2020
	(In millions of dollars)
Components of cash, cash equivalents and restricted cash:
Cash and cash equivalents	$	295.7	$	750.1
Restricted cash included in Other assets1		13.8		14.0
Total cash, cash equivalents and restricted cash presented on our Statements of Consolidated Cash Flows	$	309.5	$	764.1

1 We are required to keep on deposit certain amounts that are pledged or held as collateral relating to workers’ compensation and other agreements. We account for such deposits as restricted cash. From time to time, such restricted funds could be returned to us or we could be required to pledge additional cash.