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Goodwill (Tables)
 12 Months Ended
Sep. 30, 2020
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, 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

Business combinations and divestitures
2,723

 
(405
)
 
$
2,318

Measurement period adjustments
—

 
298

 
$
298

Foreign currency translation
(355
)
 
2,054

 
$
1,699

Balance at September 30, 2020
$
224,381

 
$
172,824

 
$
397,205