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Rationalization Charges According to Plans (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2010 | Sep. 30, 2010 | Jun. 30, 2010 | Mar. 31, 2010 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rationalization charges | $ 2,900 | $ 600 | $ 2,400 | $ 1,700 | $ 18,500 | $ 1,000 | $ 700 | $ 2,000 | $ 7,717 | $ 22,214 | $ 1,491
2011 Rationalization plans |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rationalization charges |  |  |  |  |  |  |  |  | 1,925 |  |
2010 Rationalization plans |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rationalization charges |  |  |  |  |  |  |  |  | 4,404 | 21,439 |
2009 and prior years' rationalization plans |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rationalization charges |  |  |  |  |  |  |  |  | $ 1,388 | $ 775 | $ 1,491

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- Definition The aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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