Quarterly report pursuant to Section 13 or 15(d)

Changes in Carrying Value of Goodwill (Details)

v3.3.1.900
Changes in Carrying Value of Goodwill (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Feb. 29, 2016
Feb. 28, 2015
Feb. 29, 2016
Goodwill [Roll Forward]      
Balance as of August 31, 2015     $ 608,256
Business acquisition     7,210
Goodwill impairment charge $ 118,122 $ 77,992 (118,462)
Impact of changes in foreign currency rates     (10,651)
Balance as of February 29, 2016 486,353   486,353
Industrial      
Goodwill [Roll Forward]      
Balance as of August 31, 2015     92,107
Business acquisition     7,210
Goodwill impairment charge     0
Impact of changes in foreign currency rates     (885)
Balance as of February 29, 2016 98,432   98,432
Energy      
Goodwill [Roll Forward]      
Balance as of August 31, 2015     236,450
Business acquisition     0
Goodwill impairment charge     (73,919)
Impact of changes in foreign currency rates     (7,884)
Balance as of February 29, 2016 154,647   154,647
Engineered Solutions      
Goodwill [Roll Forward]      
Balance as of August 31, 2015     279,699
Business acquisition     0
Goodwill impairment charge     (44,543)
Impact of changes in foreign currency rates     (1,882)
Balance as of February 29, 2016 $ 233,274   $ 233,274