XML 49 R37.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill (Tables)
 6 Months Ended
Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
Changes in the carrying amount of goodwill are as follows:
 
Industrial
 
Municipal
 
Products
 
Total
Balance at September 30, 2017
$
128,190

 
$
9,865

 
$
183,858

 
$
321,913

Business combinations
2,369

 
—

 
5,863

 
8,232

Measurement period adjustment
—

 
—

 
(314
)
 
(314
)
Foreign currency translation
(373
)
 
96

 
344

 
67

Balance at March 31, 2018
$
130,186

 
$
9,961

 
$
189,751

 
$
329,898