Long-Term Debt (Details 3) (FCC licenses [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2010
Fair value assets measured on recurring and nonrecurring basis
Intangible assets not subject to amortization (FCC licenses)	$ 67.8
Level 3 [Member]
Fair value assets measured on recurring and nonrecurring basis
Intangible assets not subject to amortization (FCC licenses)	$ 67.8

This element represents various capitalized rights and intangible assets, excluding goodwill, having a projected indefinite period of benefit.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 33

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant