v2.3.0.11

Income from Continuing Operations Per Unrestricted Share (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2011
Earnings Per Share [Abstract] |
Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] | A reconciliation of the numerator and denominator used in the calculation of Basic Income (Loss) from Continuing Operations Per Unrestricted Share and Diluted Income (Loss) from Continuing Operations Per Unrestricted Share for the six and three months ended June 30, 2011 and 2010 is as follows:
|  | Six Months Ended |  | Three Months Ended
|  | Jun 30, 2011 |  | Jun 30, 2010 |  | Jun 30, 2011 |  | Jun 30, 2010
(Dollars in Millions) |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations |  | $ | 54.3 |  |  | $ | 86.8 |  |  | $ | (1.5 | ) |  | $ | 39.1 |
Less Income from Continuing Operations Attributed to Restricted Shares |  | 0.2 |  |  | 0.4 |  |  | — |  |  | 0.2 |
Income (Loss) from Continuing Operations Attributed to Unrestricted Shares |  | 54.1 |  |  | 86.4 |  |  | (1.5 | ) |  | 38.9 |
Dilutive Effect on Income of Unitrin Share-based Compensation Equivalent Shares |  | — |  |  | — |  |  | — |  |  | — |
Diluted Income (Loss) from Continuing Operations Attributed to Unrestricted Shares |  | $ | 54.1 |  |  | $ | 86.4 |  |  | $ | (1.5 | ) |  | $ | 38.9 |
(Shares in Thousands) |  |  |  |  |  |  |  |
Weighted-Average Unrestricted Shares Outstanding |  | 60,398.1 |  |  | 62,070.0 |  |  | 60,118.7 |  |  | 61,985.2 |
Unitrin Share-based Compensation Equivalent Shares |  | 115.4 |  |  | 90.1 |  |  | — |  |  | 98.9 |
Weighted-Average Unrestricted Shares and Equivalent Shares Outstanding Assuming Dilution |  | 60,513.5 |  |  | 62,160.1 |  |  | 60,118.7 |  |  | 62,084.1 |
(Per Unrestricted Share in Whole Dollars) |  |  |  |  |  |  |  |
Basic Income (Loss) from Continuing Operations Per Unrestricted Share |  | $ | 0.89 |  |  | $ | 1.39 |  |  | $ | (0.03 | ) |  | $ | 0.63 |
Diluted Income (Loss) from Continuing Operations Per Unrestricted Share |  | $ | 0.89 |  |  | $ | 1.39 |  |  | $ | (0.03 | ) |  | $ | 0.63 |

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. + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration