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
6 Months Ended
Feb. 28, 2013
Goodwill [Roll Forward]  
Balance as of August 31, 2012 $ 866,412
Purchase accounting adjustments 639
Impact of changes in foreign currency rates (366)
Balance as of February 28, 2013 866,685
Industrial
 
Goodwill [Roll Forward]  
Balance as of August 31, 2012 81,404
Purchase accounting adjustments 0
Impact of changes in foreign currency rates 1,020
Balance as of February 28, 2013 82,424
Energy
 
Goodwill [Roll Forward]  
Balance as of August 31, 2012 259,521
Purchase accounting adjustments 117
Impact of changes in foreign currency rates (4,645)
Balance as of February 28, 2013 254,993
Electrical
 
Goodwill [Roll Forward]  
Balance as of August 31, 2012 213,870
Purchase accounting adjustments 0
Impact of changes in foreign currency rates 918
Balance as of February 28, 2013 214,788
Engineered Solutions
 
Goodwill [Roll Forward]  
Balance as of August 31, 2012 311,617
Purchase accounting adjustments 522
Impact of changes in foreign currency rates 2,341
Balance as of February 28, 2013 $ 314,480