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Schedule II - Consolidated Valuation and Qualifying Accounts (Details) | 12 Months Ended
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Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | Consolidated Valuation and Qualifying Accounts For the years ended December 31, 2015, 2014 and 2013
|  | Additions |  |  |
Description | Balance at Beginning of Year |  | Charged to Costs and Expenses |  | Other |  | * | Deductions |  | ** | Balance at End of Year |
| (In thousands)
Allowance for doubtful accounts: |  |  |  |  |  |
2015 | $ | 9,511 |  | $ | 11,343 |  | $ | 1,012 |  |  | $ | 12,031 |  |  | $ | 9,835 |
2014 | 10,085 |  | 8,548 |  | 1,335 |  |  | 10,457 |  |  | 9,511 |
2013 | 10,818 |  | 5,725 |  | 1,395 |  |  | 7,853 |  |  | 10,085 |
* | Recoveries.
** | Uncollectible accounts written off.
All other schedules are omitted because of the absence of the conditions under which they are required, or because the information required is included in the Company's Consolidated Financial Statements and Notes thereto.

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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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