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Licenses and Goodwill (Details) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010	Dec. 31, 2010	Dec. 31, 2009
Licenses
Balance, beginning of period	$ 1,452,101		$ 1,435,000
Acquisitions	4,406	[1]	10,501
Exchanges	11,842
Other	2,201
Balance, end of period	1,470,550		1,445,501
Goodwill
Assigned value at time of acquisition				494,737	494,737
Balance, beginning of period	494,737		494,737
Balance, end of period	$ 494,737		$ 494,737
[1] Does not include amounts reported as Assets held for sale in the Consolidated Balance Sheet.

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Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an indefinite period of benefit.

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