Quarterly report pursuant to Section 13 or 15(d)

Changes in Carrying Value of Goodwill (Details)

v3.8.0.1
Changes in Carrying Value of Goodwill (Details)
$ in Thousands
3 Months Ended
Nov. 30, 2017
USD ($)
Goodwill [Roll Forward]  
Balance as of August 31, 2016 $ 530,081
Impact of changes in foreign currency rates 1,373
Balance as of November 30, 2017 531,454
Industrial  
Goodwill [Roll Forward]  
Balance as of August 31, 2016 103,875
Impact of changes in foreign currency rates 65
Balance as of November 30, 2017 103,940
Energy  
Goodwill [Roll Forward]  
Balance as of August 31, 2016 188,830
Impact of changes in foreign currency rates 1,925
Balance as of November 30, 2017 190,755
Engineered Solutions  
Goodwill [Roll Forward]  
Balance as of August 31, 2016 237,376
Impact of changes in foreign currency rates (617)
Balance as of November 30, 2017 $ 236,759