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Supplemental Cash Flow Information (Tables) | 3 Months Ended
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Mar. 31, 2016
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow Supplemental Information | Certain supplemental cash flow information, including noncash investing and financing activities for the three months ended March 31, 2016 and 2015 are as follows:
| Three months ended March 31,
(in thousands) | 2016 |  | 2015
Noncash investing and financing activity |  |  |
Capital projects incurred but not yet paid | $ | 7,305 |  |  | $ | 3,710 |
Purchase of a productive asset through seller-financing | — |  |  | 1,010 |
Shares issued for acquisition of business | — |  |  | 4,303 |
Dividends declared not yet paid | 4,341 |  |  | 3,985 |

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