XML 17 R39.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Stockholders' Equity and Earnings Per Common Share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2011
Earnings Per Share, Basic and Diluted [Abstract] |
Net Income Per Common Share | Net income per common share is determined as follows:
| Year Ended December 31
| 2011 |  | 2010 |  | 2009
| (in millions of dollars, except share data)
Numerator |  |  |  |  |
Net Income | $ | 235.4 |  |  | $ | 886.1 |  |  | $ | 852.6 |
Denominator (000s) |  |  |  |  |
Weighted Average Common Shares - Basic | 302,399.8 |  |  | 325,839.0 |  |  | 331,266.2 |
Dilution for Assumed Exercises of Stock Options and Nonvested Stock Awards | 1,171.2 |  |  | 1,382.1 |  |  | 870.0 |
Weighted Average Common Shares - Assuming Dilution | 303,571.0 |  |  | 327,221.1 |  |  | 332,136.2 |
Net Income Per Common Share |  |  |  |  |
Basic | $ | 0.78 |  |  | $ | 2.72 |  |  | $ | 2.57 |
Assuming Dilution | $ | 0.78 |  |  | $ | 2.71 |  |  | $ | 2.57 |

X
- Details
Name: | us-gaap_EarningsPerShareBasicAndDilutedAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of basic net earnings per share (or unit) to diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 260 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration