v2.4.0.6

Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2011
Schedule II Valuation and Qualifying Accounts |
Schedule II - Valuation and Qualifying Accounts Disclosure [Text Block] |
|  |  | Additions |  | Deductions |  |  |  |
| Balance at Beginning of Year |  | Charged to Operations |  | Acquired |  | Credited to Operations |  | Written Off |  | Effect of Exchange Rate Changes |  | Balance at End of Year
Allowance for Doubtful Accounts Receivable: |  |  |  |  |  |  |  |  |  |  |  |  |
2011 | $ | 5,683 |  |  | $ | 1,819 |  |  | $ | — |  |  | $ | — |  |  | $ | (1,611 | ) |  | $ | — |  |  | $ | 5,891 |
2010 | $ | 5,497 |  |  | $ | 1,829 |  |  | $ | — |  |  | $ | — |  |  | $ | (1,669 | ) |  | $ | 26 |  |  | $ | 5,683 |
2009 | $ | 6,267 |  |  | $ | 998 |  |  | $ | — |  |  | $ | — |  |  | $ | (1,802 | ) |  | $ | 34 |  |  | $ | 5,497 |
|  |  | Additions |  | Deductions |  |  |  |
| Balance at Beginning of Year |  | Charged to Operations |  | Acquired |  | Credited to Operations |  | Written Off |  | Effect of Exchange Rate Changes |  | Balance at End of Year
Allowance for Deferred Site Rental Receivables: |  |  |  |  |  |  |  |  |  |  |  |  |
2011 | $ | 5,080 |  |  | $ | — |  |  | $ | — |  |  | $ | (5,080 | ) |  | $ | — |  |  | $ | — |  |  | $ | — |
2010 | $ | 3,600 |  |  | $ | 7,200 |  |  | $ | — |  |  | $ | (5,720 | ) |  | $ | — |  |  | $ | — |  |  | $ | 5,080 |
2009 | $ | — |  |  | $ | 3,600 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 3,600 |
|  |  | Additions |  | Deductions |  |  |  |
| Balance at Beginning of Year |  | Charged to Operations |  | Charged to Additional Paid-in Capital and Other Comprehensive Income |  | Credited to Operations |  | Credited to Additional Paid-in Capital and Other Comprehensive Income |  | Other Adjustments(a) |  | Balance at End of Year
Deferred Tax Valuation Allowance: |  |  |  |  |  |  |  |  |  |  |  |  |
2011 | $ | 318,055 |  |  | $ | — |  |  | $ | — |  |  | $ | (83,115 | ) |  | $ | (22,119 | ) |  | $ | 15,596 |  |  | $ | 228,417 |
2010 | $ | 190,848 |  |  | $ | 76,125 |  |  | $ | 38,646 |  |  | $ | — |  |  | $ | — |  |  | $ | 12,436 |  |  | $ | 318,055 |
2009 | $ | 256,325 |  |  | $ | — |  |  | $ | — |  |  | $ | (32,761 | ) |  | $ | (45,657 | ) |  | $ | 12,941 |  |  | $ | 190,848 |
____________________
(a) | Inclusive of the effects of exchange rate changes.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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