XML 47 R24.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Earnings Per Share Level 3 (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2012
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2012 |  | 2011 |  | 2012 |  | 2011
|  | (Dollars in thousands, except per share data)
Numerator: |  |  |  |  |  |  |  |
Net income (loss) - numerator for earnings per common share |  | $ | (7,829 | ) |  | $ | (13,068 | ) |  | $ | 21,401 |  |  | $ | 36,549 |
Interest on convertible subordinated debentures (net of income tax benefit) |  | 2 |  |  | 258 |  |  | 517 |  |  | 775 |
Numerator for earnings (loss) per common share - assuming dilution |  | $ | (7,827 | ) |  | $ | (12,810 | ) |  | $ | 21,918 |  |  | $ | 37,324 |
Denominator: |  |  |  |  |  |  |  |
Weighted average common shares outstanding (1) |  | 62,504,421 |  |  | 59,595,846 |  |  | 60,722,625 |  |  | 59,428,844 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Convertible subordinated debentures |  | 65,688 |  |  | 2,727,084 |  |  | 1,801,211 |  |  | 2,727,084 |
Convertible senior notes |  | 2,145,940 |  |  | — |  |  | 2,145,940 |  |  | — |
Stock options and deferred compensation agreements |  | 545,877 |  |  | 375,497 |  |  | 562,309 |  |  | 627,347 |
Denominator for earnings (loss) per common share - assuming dilution |  | 65,261,926 |  |  | 62,698,427 |  |  | 65,232,085 |  |  | 62,783,275 |
Earnings (loss) per common share |  | $ | (0.13 | ) |  | $ | (0.22 | ) |  | $ | 0.35 |  |  | $ | 0.62 |
Earnings (loss) per common share - assuming dilution |  | $ | (0.13 | ) |  | $ | (0.22 | ) |  | $ | 0.34 |  |  | $ | 0.59 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] |
Period |  | Number of Shares |  | Range of Exercise Prices
|  |  |  | Minimum |  | Maximum
Three months ended September 30, 2012 |  | 1,498,100 |  |  | $11.88 |  | $14.34
Nine months ended September 30, 2012 |  | 1,502,100 |  |  | $11.35 |  | $14.34
Three months ended September 30, 2011 |  | 2,296,600 |  |  | $10.65 |  | $14.34
Nine months ended September 30, 2011 |  | 2,296,600 |  |  | $10.65 |  | $14.34

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 securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration