Supplemental Cash Flow Information

9 Months Ended

Sep. 30, 2017

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

	Nine Months Ended
	September 30,
	2017		2016
	(In millions of dollars)
Interest paid	$	10.0	$	6.7
Non-cash investing and financing activities (included in Accounts payable):
Unpaid purchases of property and equipment	$	3.4	$	2.4
Stock repurchases not yet settled	$	—	$	0.2
Acquisition of property and equipment through capital leasing arrangements	$	0.3	$	—
Components of cash, cash equivalents and restricted cash:	September 30, 2017		September 30, 2016
Cash and cash equivalents	$	73.9	$	72.9
Restricted cash included in Prepaid expenses and other current assets1	0.3		0.3
Restricted cash included in Other assets1	12.9		11.7
Total cash, cash equivalents and restricted cash shown in the Statements of Consolidated Cash Flows	$	87.1	$	84.9

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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.