Derivative Financial Instruments (Tables)

6 Months Ended

Mar. 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 March 31,						Six Months Ended March 31,
	2019			2018			2019			2018
Interest rate cap	$	(646	)	$	—		$	134		$	—
Foreign currency forward contracts	20			(182		)	(314		)	3

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, 2019	September 30, 2018
Interest rate cap	Prepaid and other current assets	134	—
Foreign currency forward contracts	Prepaid and other current assets	63	282

		Liability Derivative
	Balance Sheet Location	March 31, 2019		September 30, 2018
Foreign currency forward contracts	Accrued expenses and other current liabilities	$	162	$	67

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	March 31, 2019		September 30, 2018
Foreign currency forward contracts	Prepaid and other current assets	$	63	$	63