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Supplemental Disclosure of Cash Flow Information | 12 Months Ended
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Dec. 31, 2013
Supplemental Disclosure of Cash Flow Information | 18. Supplemental Disclosure of Cash Flow Information
|  | Year ended |
|  | December |  |  | December |  |  | December |
|  | 2013 |  |  | 2012 |  |  | 2011 |
|  | (in thousands) |
Non-cash interest on acquisition consideration payable* |  | $ | 240 |  |  | $ | 940 |  |  | $ | 743 |
Cash paid for interest |  | $ | 548 |  |  | $ | 602 |  |  | $ | 388 |
Cash paid for income taxes |  | $ | 14,103 |  |  | $ | 18,475 |  |  | $ | 22,723 |
* recorded within interest expense

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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://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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