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Derivative Financial Instruments (Tables) | 3 Months Ended
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Mar. 31, 2013
Derivatives, Fair Value [Line Items] |
Schedule Of Pretax Effect On Net Income (Loss) And Other Comprehensive Income (Loss) Of Derivative Instruments Classified As Cash Flow Hedges |
(In Thousands) |  | Cash Flow Derivative Hedges
|  | Aluminum Futures |  | Foreign Currency
|  | Three Months Ended March 30,
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012
Amount of pre-taxgain (loss) recognized in |  |  |  |  |  |  |  |  |  |  |
other comprehensive income | $ | (387 | ) | $ | 589 |  | $ | (389 | ) | $ | -
Location of gain (loss) reclassified from |  |  |  |  |  |  |  |  |  |  |
accumulated other comprehensive income |  | Cost of |  |  | Cost of |  |  |  |  |  |
into net income (effective portion) |  | sales |  |  | sales |  |  |  |  |  |
Amount of pre-taxgain (loss) reclassified |  |  |  |  |  |  |  |  |  |  |
from accumulated other comprehensive |  |  |  |  |  |  |  |  |  |  |
income to net income (effective portion) | $ | 42 |  | $ | (171 | ) | $ | - |  | $ | -
Aluminum Futures Contracts [Member] |
Derivatives, Fair Value [Line Items] |
Summary Of Location And Fair Value Of Derivative Financial Instruments |
| March 31, 2013 |  |  |  | December 31, 2012 |  |
| Balance Sheet |  | Fair |  | Balance Sheet |  | Fair
(In Thousands) | Account |  | Value |  | Account |  | Value
Derivatives Designated as Hedging Instruments |  |  |  |  |  |  |
Asset derivatives: |  |  |  |  | Prepaid expenses |  |
Aluminum futures contracts | Accrued expenses | $ | - |  | and other | $ | 226
Liability derivatives: |  |  |  |  | Prepaid expense |  |
Aluminum futures contracts | Accrued expenses |  | 291 |  | and other |  | 88
Net asset (liability) |  | $ | (291 | ) |  | $ | 138
Foreign Currency Forward Contracts [Member] |
Derivatives, Fair Value [Line Items] |
Summary Of Location And Fair Value Of Derivative Financial Instruments |
| March 31, 2013 |  | December 31, 2012
| Balance Sheet |  | Fair | Balance Sheet |  | Fair
(In Thousands) | Account |  | Value | Account |  | Value
Derivatives Designated as Hedging Instruments |  |  |  |  |  |
Asset derivatives: | Prepaid expenses |  |  | Prepaid expenses |  |
Foreign currency forward contracts | and other | $ | 559 | and other | $ | 948

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- Definition Tabular disclosure of the effective portion of the gains and losses on derivative instruments designated (and non-derivative instruments) designated and qualifying in cash flow hedges and net investment hedges that was recognized in other comprehensive income (loss) during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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