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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2016
Valuation And Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | PREFORMED LINE PRODUCTS COMPANY SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS Year Ended December 31, 2016, 2015 and 2014 (Thousands of dollars)
For the year ended December 31, 2016: |  | Balance at beginning of period |  |  | Additions charged to costs and expenses |  |  | Deductions |  |  | Other additions or deductions (a) |  |  | Balance at end of period |
Allowance for doubtful accounts |  | $ | 1,871 |  |  | $ | 1,809 |  |  | $ | (864 | ) |  | $ | (1 | ) |  | $ | 2,815 |
Reserve for credit memos |  |  | 455 |  |  |  | (674 | ) |  |  | 613 |  |  |  | 1 |  |  |  | 395 |
Slow-moving and obsolete inventory reserves |  |  | 10,230 |  |  |  | 2,825 |  |  |  | (1,408 | ) |  |  | (87 | ) |  |  | 11,560 |
Accrued product warranty |  |  | 714 |  |  |  | 649 |  |  |  | (269 | ) |  |  | (36 | ) |  |  | 1,058 |
Foreign net operating loss tax carryforwards |  |  | 5,209 |  |  |  | 346 |  |  |  | (1,175 | ) |  |  | (575 | ) |  |  | 3,805 |
For the year ended December 31, 2015: |  | Balance at beginning of period |  |  | Additions charged to costs and expenses |  |  | Deductions |  |  | Other additions or deductions (a) |  |  | Balance at end of period |
Allowance for doubtful accounts |  | $ | 1,943 |  |  | $ | 524 |  |  | $ | (414 | ) |  | $ | (182 | ) |  | $ | 1,871 |
Reserve for credit memos |  |  | 428 |  |  |  | 437 |  |  |  | (408 | ) |  |  | (2 | ) |  |  | 455 |
Slow-moving and obsolete inventory reserves |  |  | 9,183 |  |  |  | 2,477 |  |  |  | (1,509 | ) |  |  | 79 |  |  |  | 10,230 |
Accrued product warranty |  |  | 892 |  |  |  | 74 |  |  |  | (158 | ) |  |  | (94 | ) |  |  | 714 |
Foreign net operating loss tax carryforwards |  |  | 3,614 |  |  |  | 2,105 |  |  |  | (287 | ) |  |  | (223 | ) |  |  | 5,209 |
For the year ended December 31, 2014: |  | Balance at beginning of period |  |  | Additions charged to costs and expenses |  |  | Deductions |  |  | Other additions or deductions (a) |  |  | Balance at end of period |
Allowance for doubtful accounts |  | $ | 1,441 |  |  | $ | 803 |  |  | $ | (260 | ) |  | $ | (41 | ) |  | $ | 1,943 |
Reserve for credit memos |  |  | 672 |  |  |  | 408 |  |  |  | (652 | ) |  |  | 0 |  |  |  | 428 |
Slow-moving and obsolete inventory reserves |  |  | 8,075 |  |  |  | 2,244 |  |  |  | (701 | ) |  |  | (435 | ) |  |  | 9,183 |
Accrued product warranty |  |  | 1,140 |  |  |  | (45 | ) |  |  | (133 | ) |  |  | (70 | ) |  |  | 892 |
Foreign net operating loss tax carryforwards |  |  | 1,420 |  |  |  | 2,553 |  |  |  | (232 | ) |  |  | (127 | ) |  |  | 3,614 |
(a) | Other additions or deductions relate to translation adjustments, the expiration of U.S. capital loss and certain foreign net operating loss carryforwards and for 2014 reflects the expiration of certain foreign net operating loss carryforwards.

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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 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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