Quarterly report pursuant to Section 13 or 15(d)

Changes in Carrying Value of Goodwill (Detail)

v2.4.0.6
Changes in Carrying Value of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Nov. 30, 2012
Goodwill [Line Items]  
Beginning Balance $ 866,412
Purchase accounting adjustments 87
Impact of changes in foreign currency rates 5,199
Ending Balance 871,698
Industrial
 
Goodwill [Line Items]  
Beginning Balance 81,404
Impact of changes in foreign currency rates 1,044
Ending Balance 82,448
Energy
 
Goodwill [Line Items]  
Beginning Balance 259,521
Impact of changes in foreign currency rates 2,020
Ending Balance 261,541
Electrical
 
Goodwill [Line Items]  
Beginning Balance 213,870
Impact of changes in foreign currency rates 777
Ending Balance 214,647
Engineered Solutions
 
Goodwill [Line Items]  
Beginning Balance 311,617
Purchase accounting adjustments 87
Impact of changes in foreign currency rates 1,358
Ending Balance $ 313,062