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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts |
| 2015 |  | 2014 |  | 2013
| (In thousands)
Allowance for doubtful accounts: |
Balance at beginning of year | $ | 7,821 |  |  | $ | 7,306 |  |  | $ | 7,402 |
Additions— |  |  |  |  |
Charged to costs and expenses | 1,676 |  |  | 1,249 |  |  | 763 |
Deductions— |  |  |  |  |
Deductions from reserves, net (1)(2) | 1,308 |  |  | 734 |  |  | 859 |
Balance at end of year | 8,189 |  |  | 7,821 |  |  | 7,306 |
Income tax valuation allowance: |  |  |  |  |
Balance at beginning of year | $ | 3,763 |  |  | $ | 4,938 |  |  | $ | 3,961 |
Additions— |  |  |  |  |
Charged to costs and expenses (3) | 1,390 |  |  | — |  |  | 977 |
Deductions— |  |  |  |  |
Deductions from reserves (3) | — |  |  | 1,175 |  |  | — |
Balance at end of year | 5,153 |  |  | 3,763 |  |  | 4,938 |
(1) | Bad debts written off, net of recoveries.
(2) | Activity for 2015, 2014 and 2013 includes currency translation (losses) of $(535), $(332) and $(121), respectively.
(3) | Activity for 2015, 2014 and 2013 includes currency translation gains (losses) of $392, $(643) and $242, respectively.

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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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