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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2011
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
|  |  |  |  | Additions |  |  |  |  |  |  |  |  |  |
Description |  | Balance at Beginning of Period |  |  | Charged to Costs and Expenses |  |  | Charged to Other Accounts |  |  | Deductions |  |  | Other |  |  | Balance at End of Period |
(In thousands) |
Reserve for Uncollectible Accounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2011 |  | $ | 1,235 |  |  | $ | 173 |  |  | $ | - |  |  | $ | (154 | ) (a) |  | $ | (14 | ) (b) |  | $ | 1,240 |
2010 |  | $ | 1,358 |  |  | $ | 322 |  |  | $ | - |  |  | $ | (411 | ) (a) |  | $ | (34 | ) (b) |  | $ | 1,235 |
2009 |  | $ | 1,290 |  |  | $ | 373 |  |  | $ | - |  |  | $ | (258 | ) (a) |  | $ | (47 | ) (b) |  | $ | 1,358 |
(a) | Specific write-offs
(b) | Collections of previously written-off accounts and foreign 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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