Tabular disclosure of acquired indefinite-lived intangible assets. Indefinite-lived intangible assets are assets that have no physical form, but have expected future economic benefit. Indefinite-lived assets are assets that are not subject to amortization. Acquired indefinite-lived intangible assets are disclosed by major class (assets that can be grouped together because they are similar, either by their nature or by their use in operations of the entity) and in total.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

Name:	us-gaap_ScheduleOfAcquiredIndefiniteLivedIntangibleAssetsByMajorClassTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration