XML 103 R41.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Earnings Per Share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Earnings Per Share [Abstract] |
Components of Calculation of Earnings Per Share | The components of the calculation of earnings per share were as follows:
| 2013 |  | 2012 |  | 2011
| (Dollars and shares in thousands)
Net income | $ | 185,413 |  |  | $ | 151,346 |  |  | $ | 193,173 |
Weighted average number of shares used in: |  |  |  |  |
Basic earnings per share | 64,254 |  |  | 69,571 |  |  | 69,996 |
Dilutive common stock equivalents: |  |  |  |  |
Stock options and restricted stock units | 404 |  |  | 318 |  |  | 386 |
Diluted earnings per share | 64,658 |  |  | 69,889 |  |  | 70,382 |

X
- 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