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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2012
Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (In thousands)
| Balance at beginning of year |  | Charged to income |  | Other (a) |  | Write-down |  | Balance at end of year
Allowance for doubtful accounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, 2012 | $ | 48,125 |  |  | $ | 12,452 |  |  | $ | 3,262 |  |  | $ | 9,601 |  |  | $ | 54,238 |
Year ended December 31, 2011 | $ | 37,998 |  |  | $ | 12,957 |  |  | $ | 5,357 |  |  | $ | 8,187 |  |  | $ | 48,125 |
Year ended December 31, 2010 | $ | 39,674 |  |  | $ | 5,001 |  |  | $ | 5,849 |  |  | $ | 12,526 |  |  | $ | 37,998 |
(a) | Represents the allowance for doubtful accounts of the businesses acquired by the company during 2012, 2011, and 2010.

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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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