- DefinitionTabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 350
 -SubTopic 30
 -Section 50
 -Paragraph 1
 -Subparagraph (a)
 -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275
| Name: | us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | nonnum:textBlockItemType | 
| Balance Type: | na | 
| Period Type: | duration |