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Supplemental Cash Flow Disclosures (Tables) | 12 Months Ended
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Dec. 31, 2013
Supplemental Cash Flow Elements [Abstract] |
Cash Paid for Interest and Income Taxes | Cash paid for interest and income taxes during the years ended December 31, 2013, 2012, and 2011 were as follows (in thousands):
|  | 2013 |  |  | 2012 |  |  | 2011 |
Interest |  | $ | 10,783 |  |  | $ | 11,089 |  |  | $ | 11,712 |
Income taxes(1) |  | $ | 67,941 |  |  | $ | 12,902 |  |  | $ | 16,735 |
(1) | Approximately $47.5 million related to the gain on sale of MMP is included in cash paid for income taxes for the year ended December 31, 2013.
Non-cash Consideration Paid for Business Acquisitions and Intangible Assets | Non-cash investing and financing activities during the years ended December 31, 2013, 2012 and 2011 were as follows (in thousands):
|  | 2013 |  |  | 2012 |  |  | 2011 |
Business acquisitions, including contingent consideration earned |  | $ | 2,417 |  |  | $ | 11,849 |  |  | $ | 19,601 |
Estimated contingent purchase price payable |  | $ | 5,288 |  |  | $ | 15,659 |  |  | $ | 9,735 |

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- Definition Tabular disclosure of acquisition of assets or a business through noncash (or part noncash) transactions. 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. Disclosure may include the equity interest acquired, value of assets acquired, value of liabilities acquired, net monetary assets acquired, number of shares, warrants or options issued as consideration for a business or asset acquired and other information necessary to a fair presentation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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