XML 48 R37.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Supplemental Cash Flow Information (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2017
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow Supplemental Information | Certain supplemental cash flow information, including noncash investing and financing activities for the nine months ended September 30, 2017 and 2016 are as follows:
| Nine months ended September 30,
(in thousands) | 2017 |  | 2016
Supplemental disclosure of cash flow information |  |  |
Interest paid | $ | 20,356 |  |  | $ | 18,008 |
Noncash investing and financing activity |  |  |
Capital projects incurred but not yet paid | 6,319 |  |  | 13,104 |
Investment merger (decreasing equity method investments and non-controlling interest) | 8,360 |  |  | — |
Dividends declared not yet paid | 4,501 |  |  | 4,342 |

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_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration