- DefinitionTabular 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.
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
| Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | nonnum:textBlockItemType | 
| Balance Type: | na | 
| Period Type: | duration |