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STOCK-BASED COMPENSATION (Tables) | 9 Months Ended
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Sep. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of stock compensation expense and related net tax benefit | The Company recognized the following stock compensation expense and related net tax benefit associated with its various employee share-based compensation plans:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
($ in thousands) |  | 2015 |  | 2014 |  | 2015 |  | 2014
Compensation expense related to restricted stock awards |  | $ | 4,050 |  |  | $ | 3,637 |  |  | $ | 11,702 |  |  | $ | 10,382 |
Net tax benefit recognized in equity for stock compensation plans |  | $ | 31 |  |  | $ | 129 |  |  | $ | 3,227 |  |  | $ | 3,916 |
Schedule of time-based and performance-based restricted stock awards activity | The following table presents a summary of the activity for the Company’s time-based and performance-based restricted stock awards as of September 30, 2015, including changes during the nine months ended September 30, 2015:
| September 30, 2015
| Restricted Stock and RSU Awards
| Time-Based |  | Performance-Based
| Shares |  | Weighted Average Price |  | Shares |  | Weighted Average Price
Outstanding at beginning of period | 751,020 |  |  | $ | 30.61 |  |  | 518,553 |  |  | $ | 29.64 |
Granted | 466,125 |  |  | 40.35 |  |  | 149,284 |  |  | 39.95 |
Vested | (218,363 | ) |  | 23.41 |  |  | (144,445 | ) |  | 22.05 |
Forfeited | (57,278 | ) |  | 36.41 |  |  | — |  |  | — |
Outstanding at end of period | 941,504 |  |  | $ | 36.75 |  |  | 523,392 |  |  | $ | 35.64 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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