Derivative Financial Instruments (Tables)

6 Months Ended

Mar. 31, 2021

Derivative Instruments and Hedging Activities Disclosures [Line Items]

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]

The following represents the amount of gain (loss) recognized in AOCI (net of tax) during the periods presented:

	Three Months Ended March 31,				Six Months Ended March 31,
	2021		2020		2021		2020
Interest rate swap	$	8,811	$	—	$	9,268	$	—
Interest rate cap	—		15		—		1
Foreign currency forward contracts	(335)		(179)		(332)		(160)

Derivative Instruments, Gain (Loss) [Table Text Block]

The following represents the amount of (loss) gain on foreign currency forward contracts reclassified from AOCI into earnings during the periods presented:

	Three Months Ended March 31,				Six Months Ended March 31,
Location of (Loss) Gain	2021		2020		2021		2020
Cost of product sales and services	$	(13)	$	(6)	$	(13)	$	(6)
General and administrative expense	(40)		(24)		(72)		$	30
Selling and marketing expense	(39)		28		(39)		28
Interest expense	(523)		—		(1,033)		—
	$	(615)	$	(2)	$	(1,157)	$	52

Designated as Hedging Instrument

Derivative Instruments and Hedging Activities Disclosures [Line Items]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The following represents the fair value recorded for derivatives designated as cash flow hedges for the periods presented:

		Asset Derivatives
	Balance Sheet Location	March 31, 2021		September 30, 2020
Interest rate swap	Prepaid and other current assets	$	5,631	$	—
Foreign currency forward contracts	Prepaid and other current assets	35		133

		Liability Derivative
	Balance Sheet Location	March 31, 2021		September 30, 2020
Interest rate swap	Accrued expenses and other current liabilities	$	—	$	4,669
Foreign currency forward contracts	Accrued expenses and other current liabilities	158		47

Not Designated as Hedging Instrument

Derivative Instruments and Hedging Activities Disclosures [Line Items]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The following represents the fair value recorded for derivatives not designated as cash flow hedges for the periods presented:

		Asset Derivatives
	Balance Sheet Location	March 31, 2021		September 30, 2020
Foreign currency forward contracts	Prepaid and other current assets	$	14	$	7
		Liability Derivatives
	Balance Sheet Location	March 31, 2021		September 30, 2020
Foreign currency forward contracts	Accrued expenses and other current liabilities	$	8	$	—