Derivative Financial Instruments (Tables)

3 Months Ended

Dec. 31, 2019

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 (loss) gain recognized in AOCI (net of tax) during the periods presented:

	Three Months Ended December 31,
	2019			2018
Interest rate cap	$	(14	)	$	780
Foreign currency forward contracts	19			(334		)

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

The following represents the amount of (loss) gain reclassified from AOCI into earnings during the periods presented:

		Three Months Ended December 31,
	Location of (Loss) Gain	2019		2018
Foreign currency forward contracts	Cost of product sales and services	$	—	$	(126	)
Foreign currency forward contracts	General and administrative expense	54		—
Foreign currency forward contracts	Research and development expense	—		15
		$	54	$	(111	)

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	December 31, 2019		September 30, 2019
Interest rate cap	Prepaid and other current assets	$	5	$	19
Foreign currency forward contracts	Prepaid and other current assets	148		269

		Liability Derivative
	Balance Sheet Location	December 31, 2019		September 30, 2019
Foreign currency forward contracts	Accrued expenses and other current liabilities	$	68	$	154

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 Derivative
	Balance Sheet Location	December 31, 2019		September 30, 2019
Foreign currency forward contracts	Prepaid and other current assets	$	—	$	9

		Liability Derivative
	Balance Sheet Location	December 31, 2019		September 30, 2019
Foreign currency forward contracts	Accrued expenses and other current liabilities	$	55	$	—