Acquisitions and Divestitures (Tables)

6 Months Ended

Mar. 31, 2018

Business Combinations [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The preliminary opening balance sheet for the acquisitions is summarized as follows.

	Pure Water			Pacific Ozone			Total
Current assets	$	277		$	1,418		$	1,695
Property, plant and equipment	175			192			367
Goodwill	2,369			5,863			8,232
Intangible assets	1,488			—			1,488
Total assets acquired	4,309			7,473			11,782
Total liabilities assumed	(154		)	(916		)	(1,070		)
Net assets acquired	$	4,155		$	6,557		$	10,712