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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Description |  |  |
Balance at beginning of year | $ 5,190 | $ 4,201 | $ 4,302
Additions charged to expense | 9,783 | 10,247 | 9,321
Deductions | 9,261 | 9,258 | 9,422
Balance at End of Year | 5,712 | 5,190 | 4,201
Reserve for bad debts |  |  |
Description |  |  |
Balance at beginning of year | 1,197 | 1,225 | 1,410
Additions charged to expense | 38 | 27 |
Reductions credited to expense |  |  | (166)
Deductions | 107 | 55 | 19
Balance at End of Year | 1,128 | 1,197 | 1,225
Reserve for cash discounts |  |  |
Description |  |  |
Balance at beginning of year | 724 | 659 | 815
Additions charged to expense | 9,122 | 9,268 | 9,247
Deductions | 9,154 | 9,203 | 9,403
Balance at End of Year | 692 | 724 | 659
Deferred tax asset valuation |  |  |
Description |  |  |
Balance at beginning of year | 3,269 | 2,317 | 2,077
Additions charged to expense | 623 | 952 | 240
Balance at End of Year | $ 3,892 | $ 3,269 | $ 2,317

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- Definition Amount of decrease in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses. + References No definition available. + Details
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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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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