XML 52 R38.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Earnings Per Share (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2013
Earnings Per Share [Abstract] |
Weighted Average Common Shares Outstanding | A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings per weighted average common share (EPS) calculation for the three and six months ended June 30 was as follows (in thousands):
| Three Months |  | Six Months
| 2013 |  | 2012 |  | 2013 |  | 2012
Weighted average common shares outstanding: |  |  |  |  |  |  |
Basic EPS calculation | 110,776 |  |  | 110,756 |  |  | 110,772 |  |  | 110,736 |
Effect of dilutive share-based awards | 4 |  |  | 13 |  |  | 6 |  |  | 19 |
Diluted EPS calculation | 110,780 |  |  | 110,769 |  |  | 110,778 |  |  | 110,755 |

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 the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration