XML 44 R31.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Supplemental Cash Flow Information (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2017
Supplemental Cash Flow Elements [Abstract] |
Supplemental Cash Flow Information |
| Quarter Ended
| March 31,
| 2017 |  | 2016
| (In millions of dollars)
Interest paid | $ | 0.3 |  |  | $ | 0.3 |
Non-cash investing and financing activities (included in Accounts payable): |  |  |
Unpaid purchases of property and equipment | $ | 3.7 |  |  | $ | 2.0 |
Stock repurchases not yet settled | $ | 2.0 |  |  | $ | 0.1 |
Cash and cash equivalents | $ | 34.4 |  |  | $ | 70.7 |
Restricted cash included in Prepaid expenses and other current assets | 0.3 |  |  | 0.3 |
Restricted cash included in Other assets | 12.0 |  |  | 10.9 |
Total cash, cash equivalents and restricted cash shown in the Statements of Consolidated Cash Flows | $ | 46.7 |  |  | $ | 81.9 |

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowElementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration