Impairments and Other Charges (Details) (USD $) In Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Asset Impairment Charges [Abstract]
Goodwill impairment	$ 0	$ 430,101	$ 0	$ 430,101
Wireless license impairment	377	766	377	766
Property and equipment impairment (Note 2)	0	46,460	0	46,460
Post-acquisition charges (Note 10)	23,316	0	23,947	0
Impairments and other charges	$ 23,693	$ 477,327	$ 24,324	$ 477,327

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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+ Details

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

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+ Details