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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Description |  |  |
Balance at beginning of year | $ 2,217 | $ 3,268 | $ 10,429
Additions (reductions) charged (credited) to expense | 11,325 | 9,455 | 3,321
Deductions | 9,621 | 10,506 | 10,482
Balance at End of Year | 3,921 | 2,217 | 3,268
Reserve for bad debts |  |  |
Description |  |  |
Balance at beginning of year | 1,121 | 1,738 | 1,358
Additions (reductions) charged (credited) to expense | (186) | (45) | 541
Deductions | (63) | 572 | 161
Balance at End of Year | 998 | 1,121 | 1,738
Reserve for cash discounts |  |  |
Description |  |  |
Balance at beginning of year | 410 | 618 | 565
Additions (reductions) charged (credited) to expense | 10,007 | 9,726 | 10,374
Deductions | 9,684 | 9,934 | 10,321
Balance at End of Year | 773 | 410 | 618
Deferred tax asset valuation |  |  |
Description |  |  |
Balance at beginning of year | 686 | 912 | 8,506
Additions (reductions) charged (credited) to expense | 1,504 | (226) | (7,594)
Balance at End of Year | $ 2,190 | $ 686 | $ 912

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: 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=6881521&loc=d3e24092-122690 + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: 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=6881521&loc=d3e24092-122690 + Details
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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: 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=6881521&loc=d3e24092-122690 + Details
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