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Supplemental Cash Flow Information | 12 Months Ended
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Dec. 31, 2018
Supplemental Cash Flow Elements [Abstract] |
Supplemental Cash Flow Information | Supplemental Cash Flow Information
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
| (in millions of dollars)
Interest paid | $ | 21.6 |  |  | $ | 21.1 |  |  | $ | 17.7 |
Non-cash investing and financing activities (included in Accounts payable): |  |  |  |  |
Unpaid purchases of property and equipment | $ | 7.0 |  |  | $ | 7.4 |  |  | $ | 4.6 |
Stock repurchases not yet settled | $ | 1.3 |  |  | $ | 0.1 |  |  | $ | 1.8 |
Acquisition of property and equipment through capital leasing arrangements | $ | 6.5 |  |  | $ | 1.2 |  |  | $ | 0.2 |
| December 31,
| 2018 |  | 2017 |  | 2016
Components of cash, cash equivalents and restricted cash: |  |  |  |  |
Cash and cash equivalents | $ | 125.6 |  |  | $ | 51.1 |  |  | $ | 55.2 |
Restricted cash included in Prepaid expenses and other current assets | 0.3 |  |  | 0.3 |  |  | 0.3 |
Restricted cash included in Other assets | 13.7 |  |  | 12.9 |  |  | 12.2 |
Total cash, cash equivalents and restricted cash shown in the Statements of Consolidated Cash Flows | $ | 139.6 |  |  | $ | 64.3 |  |  | $ | 67.7 |

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -URI http://asc.fasb.org/topic&trid=2134446 + Details
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- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowElementsAbstract
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Balance Type: | na
Period Type: | duration