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Supplemental Cash Flow Disclosures (Table) | 12 Months Ended
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Dec. 31, 2014
Supplemental Cash Flow Disclosures |
Supplemental cash flow disclosures |
Year Ended December 31, | 2014 |  | 2013 |  | 2012
(Dollars in thousands) |  |  |  |  |  |  |  |
Interest paid | $ | 54,955 |  | $ | 42,904 |  | $ | 44,048
Income taxes paid (refunded) |  | 33,276 |  |  | 157,778 |  |  | (58,609)
Year Ended December 31, | 2014 |  | 2013 |  | 2012
(Dollars in thousands) |  |  |  |  |  |  |  |
Common Shares withheld |  | 163,355 |  |  | 606,582 |  |  | 92,846
Aggregate value of Common Shares withheld | $ | 6,868 |  | $ | 25,179 |  | $ | 3,604
Cash receipts upon exercise of stock options |  | 5,166 |  |  | 10,468 |  |  | 900
Cash disbursements for payment of taxes |  | (4,336) |  |  | (4,684) |  |  | (3,105)
Net cash receipts (disbursements) from exercise of stock options and vesting of other stock awards | $ | 830 |  | $ | 5,784 |  | $ | (2,205)

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