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Condensed Consolidating Statements of Earnings and Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Nov. 30, 2012 | Nov. 30, 2011
Guarantor Obligations [Line Items] |  |
Net sales | $ 377,248 | $ 392,799
Cost of products sold | 230,262 | 240,191
Gross profit | 146,986 | 152,608
Selling, administrative and engineering expenses | 87,830 | 88,109
Amortization of intangible assets | 7,854 | 7,218
Operating profit | 51,302 | 57,281
Financing costs, net | 6,322 | 8,222
Other expense (income), net | 364 | 657
Earnings before income tax expense | 44,616 | 48,402
Income tax expense | 8,273 | 11,228
Net earnings before equity in earnings of subsidiaries | 36,343 | 37,174
Net earnings | 36,343 | 37,174
Comprehensive income | 48,518 | 4,788
Parent |  |
Guarantor Obligations [Line Items] |  |
Net sales | 45,838 | 48,520
Cost of products sold | 12,408 | 15,279
Gross profit | 33,430 | 33,241
Selling, administrative and engineering expenses | 17,453 | 20,666
Amortization of intangible assets | 321 | 335
Operating profit | 15,656 | 12,240
Financing costs, net | 6,358 | 8,237
Intercompany expense (income), net | (7,270) | (7,491)
Other expense (income), net | (364) | 193
Earnings before income tax expense | 16,932 | 11,301
Income tax expense | 3,140 | 2,622
Net earnings before equity in earnings of subsidiaries | 13,792 | 8,679
Equity in earnings (loss) of subsidiaries | 22,551 | 28,495
Net earnings | 36,343 | 37,174
Comprehensive income | 48,518 | 4,788
Guarantors |  |
Guarantor Obligations [Line Items] |  |
Net sales | 124,117 | 136,441
Cost of products sold | 87,868 | 94,632
Gross profit | 36,249 | 41,809
Selling, administrative and engineering expenses | 25,040 | 26,262
Amortization of intangible assets | 3,449 | 3,420
Operating profit | 7,760 | 12,127
Financing costs, net | 5 | 3
Intercompany expense (income), net | 1,955 | 566
Other expense (income), net | (316) | 344
Earnings before income tax expense | 6,116 | 11,214
Income tax expense | 1,134 | 2,601
Net earnings before equity in earnings of subsidiaries | 4,982 | 8,613
Equity in earnings (loss) of subsidiaries | 17,899 | 16,794
Net earnings | 22,881 | 25,407
Comprehensive income | 28,858 | 8,339
Non-Guarantors |  |
Guarantor Obligations [Line Items] |  |
Net sales | 207,293 | 207,838
Cost of products sold | 129,986 | 130,280
Gross profit | 77,307 | 77,558
Selling, administrative and engineering expenses | 45,337 | 41,181
Amortization of intangible assets | 4,084 | 3,463
Operating profit | 27,886 | 32,914
Financing costs, net | (41) | (18)
Intercompany expense (income), net | 5,315 | 6,925
Other expense (income), net | 1,044 | 120
Earnings before income tax expense | 21,568 | 25,887
Income tax expense | 3,999 | 6,005
Net earnings before equity in earnings of subsidiaries | 17,569 | 19,882
Equity in earnings (loss) of subsidiaries | 1,024 | (488)
Net earnings | 18,593 | 19,394
Comprehensive income | 26,019 | 11,321
Eliminations |  |
Guarantor Obligations [Line Items] |  |
Equity in earnings (loss) of subsidiaries | (41,474) | (44,801)
Net earnings | (41,474) | (44,801)
Comprehensive income | $ (54,877) | $ (19,660)

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- Definition The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(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 -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 30 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=16317811 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e557-108580 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A5 -Appendix A + Details
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