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Supplemental Cash Flow Information (Tables) | 9 Months Ended
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Sep. 30, 2017
Supplemental Cash Flow Elements [Abstract] |
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 assets 1 | 0.3 |  |  | 0.3 |
Restricted cash included in Other assets 1 | 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.

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- References No definition available. + Details
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