Summary of Significant Accounting Policies (Tables)

3 Months Ended

Dec. 31, 2019

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

The following table summarizes the impact of adoption to the Consolidated Balance Sheet as of October 1, 2019:



	As Reported September 30, 2019			Impact of Adoption of ASU 2016-02			Updated October 1, 2019
Assets
Prepaid and other current assets	$	21,940		$	(73	)	$	21,867
Total current assets	637,293			(73		)	637,220
Property, plant and equipment, net	333,584			2,126			335,710
Operating lease right-of-use assets, net	—			42,073			42,073
Total Assets	1,737,848			44,126			1,781,974
Liabilities
Accrued expenses and other liabilities	101,839			13,596			115,435
Total current liabilities	322,221			13,596			335,817
Obligation under operating leases	—			29,308			29,308
Other non-current liabilities	78,661			3,245			81,906
Total non-current liabilities	1,049,805			32,553			1,082,358
Total liabilities	1,372,026			46,149			1,418,175
Shareholders' equity
Retained deficit	(174,976		)	(2,023		)	(176,999		)
Total Evoqua Water Technologies Corp. equity	362,759			(2,023		)	360,736
Total shareholder's equity	365,822			(2,023		)	363,799
Total liabilities and shareholders' equity	$	1,737,848		$	44,126		$	1,781,974

Schedule of Variable Interest Entities [Table Text Block]

The following provides a summary of TWO’s balance sheet as of December 31, and September 30, 2019, and summarized financial information for the three months ended December 31, 2019 and 2018.



	December 31, 2019			September 30, 2019
Current assets (includes cash of $2,739 and $3,903)	$	5,256		$	6,324
Property, plant and equipment	1,442			2,186
Goodwill	2,206			2,206
Other non-current assets	3			3
Total liabilities	(2,353		)	(2,388		)



	Three Months Ended December 31,
	2019			2018
Total revenues	$	2,642		$	3,156
Total operating expenses	(1,958		)	(2,230		)
Income from operations	$	684		$	926

Schedule Of Estimated Useful Lives For Major Classes Of Depreciable Assets

Estimated useful lives for major classes of depreciable assets are as follows:



Asset Class	Estimated Useful Life
Machinery and equipment	3 to 20 years
Buildings and improvements	10 to 40 years

Property, plant, and equipment consists of the following:



	December 31, 2019			September 30, 2019
Machinery and equipment	$	332,109		$	316,390
Rental equipment	178,069			172,534
Land and buildings	64,761			64,165
Construction in process	44,516			40,599
	619,455			593,688
Less: accumulated depreciation	(280,320		)	(260,104		)
	$	339,135		$	333,584

Depreciation expense and maintenance and repairs expense for the three months ended December 31, 2019 and 2018 were as follows:



	Three Months Ended December 31,
	2019		2018
Depreciation expense	$	17,303	$	15,209
Maintenance and repair expense	6,065		6,157

- Definition

Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.

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