XML 43 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

EARNINGS PER SHARE (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2017
EARNINGS PER SHARE [Abstract] |
Reconciliation of Basic to Diluted Earnings per Share | The following is a reconciliation of basic to diluted earnings per share for the three and nine months ended September 30, 2017 and 2016:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(000's omitted, except per share data) |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Net income |  | $ | 35,243 |  |  | $ | 27,160 |  |  | $ | 78,691 |  |  | $ | 77,420 |
Income attributable to unvested stock-based compensation awards |  |  | (164 | ) |  |  | (157 | ) |  |  | (387 | ) |  |  | (398 | )
Income available to common shareholders |  | $ | 35,079 |  |  | $ | 27,003 |  |  | $ | 78,304 |  |  | $ | 77,022 |
Weighted-average common shares outstanding – basic |  |  | 50,703 |  |  |  | 44,184 |  |  |  | 48,189 |  |  |  | 44,023 |
Basic earnings per share |  | $ | 0.69 |  |  | $ | 0.61 |  |  | $ | 1.62 |  |  | $ | 1.75 |
Net income |  | $ | 35,243 |  |  | $ | 27,160 |  |  | $ | 78,691 |  |  | $ | 77,420 |
Income attributable to unvested stock-based compensation awards |  |  | (164 | ) |  |  | (157 | ) |  |  | (387 | ) |  |  | (398 | )
Income available to common shareholders |  | $ | 35,079 |  |  | $ | 27,003 |  |  | $ | 78,304 |  |  | $ | 77,022 |
Weighted-average common shares outstanding – basic |  |  | 50,703 |  |  |  | 44,184 |  |  |  | 48,189 |  |  |  | 44,023 |
Assumed exercise of stock options |  |  | 585 |  |  |  | 394 |  |  |  | 640 |  |  |  | 359 |
Weighted-average common shares outstanding – diluted |  |  | 51,288 |  |  |  | 44,578 |  |  |  | 48,829 |  |  |  | 44,382 |
Diluted earnings per share |  | $ | 0.68 |  |  | $ | 0.61 |  |  | $ | 1.60 |  |  | $ | 1.74 |

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration