Quarterly report pursuant to Section 13 or 15(d)

Changes in Carrying Value of Goodwill (Detail)

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Changes in Carrying Value of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
May 31, 2012
Goodwill [Line Items]  
Beginning Balance $ 888,466
Businesses acquired 19,563
Purchase accounting adjustments (3,280)
Impact of changes in foreign currency rates (31,067)
Ending Balance 873,682
Industrial
 
Goodwill [Line Items]  
Beginning Balance 85,409
Impact of changes in foreign currency rates (4,708)
Ending Balance 80,701
Energy
 
Goodwill [Line Items]  
Beginning Balance 252,285
Businesses acquired 14,101
Impact of changes in foreign currency rates (12,195)
Ending Balance 254,191
Electrical
 
Goodwill [Line Items]  
Beginning Balance 260,777
Purchase accounting adjustments (3,995)
Impact of changes in foreign currency rates (7,144)
Ending Balance 249,638
Engineered Solutions
 
Goodwill [Line Items]  
Beginning Balance 289,995
Businesses acquired 5,462
Purchase accounting adjustments 715
Impact of changes in foreign currency rates (7,020)
Ending Balance $ 289,152