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Goodwill (Tables)
 12 Months Ended
Sep. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
Changes in the carrying amount of goodwill are as follows:
 
Integrated Solutions and Services
 
Applied Product Technologies
 
Total
Balance at September 30, 2017
$
138,181

 
$
183,732

 
$
321,913

Business combinations
88,080

 
4,192

 
92,272

Measurement period adjustment
(404
)
 
(311
)
 
(715
)
Foreign currency translation
(1,487
)
 
(637
)
 
(2,124
)
Balance at September 30, 2018
224,370

 
186,976

 
411,346

Business combinations and divestitures
—

 
1,738

 
1,738

Measurement period adjustments
(1,937
)
 
63

 
(1,874
)
Goodwill reclassified to assets held for sale
—

 
(14,911
)
 
(14,911
)
Foreign currency translation
(420
)
 
(2,989
)
 
(3,409
)
Balance at September 30, 2019
$
222,013

 
$
170,877

 
$
392,890