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Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2013
Schedule II - Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | Schedule II Valuation and Qualifying Accounts (in thousands); Years Ended December 31, 2013, 2012 and 2011
Valuation Accounts Deducted in the Balance Sheet From the Assets to Which They Apply |  | Balance at Beginning of Period |  |  | Additions Charged to Costs and Expenses |  |  | Additions Recorded During Acquisitions |  |  | Deductions (A) |  |  | Balance at End of Period |
2011 Allowance for losses: Trade accounts receivable |  | $3,999 |  |  | $747 |  |  | $0 |  |  | $1,158 |  |  | $3,588 |
2012 Allowance for losses: Trade accounts receivable |  | $3,588 |  |  | $745 |  |  | $0 |  |  | $1,288 |  |  | $3,045 |
2013 Allowance for losses: Trade accounts receivable |  | $3,045 |  |  | $1,413 |  |  | $0 |  |  | $130 |  |  | $4,327 |
(A) Accounts written off, net of recoveries.

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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 FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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