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Activity in Rationalization Reserves (Detail) (USD $) In Thousands, unless otherwise specified | 9 Months Ended |  |  | 9 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2012 Prior Years' Rationalization plans | Sep. 30, 2012 2012 Rationalization Plans | Sep. 30, 2012 Employee Severance and Benefits | Sep. 30, 2012 Employee Severance and Benefits Prior Years' Rationalization plans | Sep. 30, 2012 Employee Severance and Benefits 2012 Rationalization Plans | Sep. 30, 2012 Plant Exit Costs | Dec. 31, 2011 Plant Exit Costs | Sep. 30, 2012 Plant Exit Costs Prior Years' Rationalization plans | Sep. 30, 2012 Plant Exit Costs 2012 Rationalization Plans | Sep. 30, 2012 Non-Cash Asset Write-Down Prior Years' Rationalization plans | Sep. 30, 2012 Non-Cash Asset Write-Down 2012 Rationalization Plans
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2011 | $ 4,596 |  |  | $ 4,385 |  |  | $ 211 | $ 211 |  |  |  |
Rationalization Plan Reserves Established |  | 112 | 5,697 |  | 1,100 | 3,524 |  |  | (1,027) | 1,001 | 39 | 1,172
Rationalization Plan Reserves Utilized |  | (2,743) | (3,119) |  | (3,731) | (946) |  |  | 1,027 | (1,001) | (39) | (1,172)
Total activity | (53) |  |  | (53) |  |  |  |  |  |  |  |
Balance at September 30, 2012 | $ 4,543 |  |  | $ 4,332 |  |  | $ 211 | $ 211 |  |  |  |

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 95-3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Net total Increase or Decrease in the accrual for restructuring costs during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 146 -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 Emerging Issues Task Force (EITF) -Number 95-3 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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