XML 34 R23.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Earnings Per Share (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth the computation of earnings per common share and earnings per common share - assuming dilution:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (Dollars in thousands, except share and per share data)
Numerator: |  |  |  |  |  |  |
Net income - numerator for earnings per common share | $ | 169,328 |  |  | $ | 56,957 |  |  | $ | 404,193 |  |  | $ | 137,842 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding | 90,485,567 |  |  | 89,068,770 |  |  | 90,278,209 |  |  | 88,872,562 |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options and deferred compensation agreements | 705,465 |  |  | 974,208 |  |  | 750,588 |  |  | 924,465 |
Restricted stock and restricted stock units | 459,854 |  |  | 377,552 |  |  | 326,613 |  |  | 373,993 |
Denominator for earnings per common share - assuming dilution | 91,650,886 |  |  | 90,420,530 |  |  | 91,355,410 |  |  | 90,171,020 |
Earnings per common share | $ | 1.87 |  |  | $ | 0.64 |  |  | $ | 4.48 |  |  | $ | 1.55 |
Earnings per common share - assuming dilution | $ | 1.85 |  |  | $ | 0.63 |  |  | $ | 4.42 |  |  | $ | 1.53 |

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