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Results of Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Aug. 31, 2012 | Aug. 31, 2011 | May 31, 2012
Segment Reporting Information [Line Items] |  |  |  |
Net Sales | $ 1,046,714 | [1] | $ 985,918 |
Income (Loss) Before Income Taxes | 60,644 | [1] | 118,704 |
Total Assets | 3,675,978 | [1] |  | 3,561,813
Industrial Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Sales | 703,335 | [1] | 667,016 |
Income (Loss) Before Income Taxes | 62,886 | [1] | 91,546 |
Total Assets | 2,359,243 |  |  | 2,195,702
Consumer Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Sales | 343,379 | [1] | 318,902 |
Income (Loss) Before Income Taxes | 58,788 | [1] | 51,512 |
Total Assets | 1,216,807 |  |  | 1,184,609
Corporate/Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (Loss) Before Income Taxes | (61,030) | [1] | (24,354) |
Total Assets | $ 99,928 |  |  | $ 181,502
[1] | Restated

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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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