Revenue

6 Months Ended

Mar. 31, 2021

Revenue From Contract With Customer [Abstract]

Revenue

Note 3.  Revenue

The amount of revenue recognized as point in time or over time follows:

	Three-Months Ended March 31, 2021						Three-Months Ended March 31, 2020
	Aerospace		Industrial		Consolidated		Aerospace		Industrial		Consolidated
Point in time	$	114,563	$	131,242	$	245,805	$	178,325	$	157,052	$	335,377
Over time		250,143		85,373		335,516		295,911		88,932		384,843
Total net sales	$	364,706	$	216,615	$	581,321	$	474,236	$	245,984	$	720,220

	Six-Months Ended March 31, 2021						Six-Months Ended March 31, 2020
	Aerospace		Industrial		Consolidated		Aerospace		Industrial		Consolidated
Point in time	$	221,530	$	285,437	$	506,967	$	365,840	$	324,994	$	690,834
Over time		464,843		147,130		611,973		582,321		167,420		749,741
Total net sales	$	686,373	$	432,567	$	1,118,940	$	948,161	$	492,414	$	1,440,575

Accounts Receivable

Accounts receivable consisted of the following:

	March 31, 2021			September 30, 2020
Billed receivables
Trade accounts receivable	$	304,682		$	307,914
Other (Chinese financial institutions)		73,298			56,640
Total billed receivables		377,980			364,554
Current unbilled receivables (contract assets)		217,606			181,792
Total accounts receivable		595,586			546,346
Less: Allowance for uncollectible amounts		(7,522	)		(8,359	)
Total accounts receivable, net	$	588,064		$	537,987

As of March 31, 2021, “Other assets” on the Condensed Consolidated Balance Sheets includes $12,925 of unbilled receivables not expected to be invoiced and collected within a period of twelve months, compared to $16,751 as of September 30, 2020.  Unbilled receivables not expected to be invoiced and collected within a period of twelve months are primarily attributable to customer delays for deliveries on firm orders in the Aerospace segment due to the impacts of the COVID-19 pandemic.

Accounts receivable in Woodward’s Condensed Consolidated Financial Statements represent the net amount expected to be collected, and an allowance for uncollectible amounts related to credit losses is established based on expected losses in accordance with FASB ASC Topic 326, “Financial Instruments – Credit Losses”.  Expected losses are estimated by reviewing specific customer accounts, taking into consideration aging, credit risk of the customers, and historical payment history, as well as current and forecasted economic conditions, and other relevant factors.

The allowance for uncollectible amounts and change in expected credit losses for trade accounts receivable and unbilled receivables (contract assets) consisted of the following:

	Three-Months Ended			Six-Months Ended
	March 31, 2021			March 31, 2021
Balance, beginning	$	7,499		$	8,359
Additions charged to costs and expenses, or sales allowance		1,040			1,128
Deductions		(837	)		(2,008	)
Other (deductions) additions1		(180	)		43
Balance, ending	$	7,522		$	7,522

(1) Includes effects of foreign exchange rate changes during the period.

Contract liabilities  

Contract liabilities consisted of the following:  

	March 31, 2021				September 30, 2020
	Current		Noncurrent		Current		Noncurrent
Deferred revenue from material rights from GE joint venture formation	$	4,419	$	236,610	$	4,066	$	234,240
Deferred revenue from advanced invoicing and/or prepayments from customers		3,922		716		3,239		85
Liability related to customer supplied inventory		15,790		—		14,955		—
Deferred revenue from material rights related to engineering and development funding		4,629		139,480		2,360		132,317
Net contract liabilities	$	28,760	$	376,806	$	24,620	$	366,642

Woodward recognized revenue of $7,146 in the three-months and $13,674 in the six-months ended March 31, 2021 from contract liabilities balances recorded as of October 1, 2020, compared to $15,962 in the three-months and $19,932 in the six-months ended March 31, 2020 from contract liabilities balances recorded as of October 1, 2019.

Remaining performance obligations

Remaining performance obligations related to the aggregate amount of the total contract transaction price of firm orders for which the performance obligation has not yet been recognized in revenue as of March 31, 2021 was $1,395,436, compared to $1,454,406 as of September 30, 2020, the majority of which relate to Woodward’s Aerospace segment in both periods.  Woodward expects to recognize almost all of these remaining performance obligations within two years after March 31, 2021.  

Remaining performance obligations related to material rights that have not yet been recognized in revenue as of March 31, 2021 was $469,143, compared to $465,668 as of September 30, 2020, of which $7,348 is expected to be recognized in the remainder of fiscal year 2021, $11,027 is expected to be recognized in fiscal year 2022, and the balance is expected to be recognized thereafter.  Woodward expects to recognize revenue from performance obligations related to material rights over the life of the underlying programs, which may be as long as forty years.

Disaggregation of Revenue

Woodward designs, produces and services reliable, efficient, low-emission, and high-performance energy control products for diverse applications in markets throughout the world.  Woodward reports financial results for each of its Aerospace and Industrial reportable segments.  Woodward further disaggregates its revenue from contracts with customers by primary market as Woodward believes this best depicts how the nature, amount, timing and uncertainty of its revenue and cash flows are affected by economic factors.

Revenue by primary market for the Aerospace reportable segment was as follows:

	Three-Months Ended March 31,				Six-Months Ended March 31,
	2021		2020		2021		2020
Commercial OEM	$	101,907	$	144,610	$	177,988	$	303,276
Commercial aftermarket		77,579		134,042		143,094		259,970
Defense OEM		135,630		139,901		266,893		280,827
Defense aftermarket		49,590		55,683		98,398		104,088
Total Aerospace segment net sales	$	364,706	$	474,236	$	686,373	$	948,161

Revenue by primary market for the Industrial reportable segment was as follows:

	Three-Months Ended March 31,				Six-Months Ended March 31,
	2021		2020		2021		2020
Reciprocating engines	$	163,034	$	163,555	$	327,956	$	338,208
Industrial turbines		53,581		59,678		104,611		111,177
Renewables1		—		22,751		—		43,029
Total Industrial segment net sales	$	216,615	$	245,984	$	432,567	$	492,414

(1) Sales in the renewables market were discontinued as of May 1, 2020 following the closing of the divestiture of the renewable power systems business and other related businesses (as described more fully in Note 10, Sale of businesses, and defined therein as the “disposal group”).

The customers who each account for approximately 10% or more of net sales of each of Woodward’s reportable segments for the three and six-months ended March 31, 2021 are as follows:

	Customer
Aerospace	The Boeing Company, General Electric Company, Raytheon Technologies
Industrial	Rolls-Royce PLC, Weichai Westport, General Electric Company