Financial Instruments and Hedging Activities (Tables)

3 Months Ended

Dec. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Quantitative Summary of Fair Value of Derivative Instruments

A summary of the derivative instruments is as follows (dollars in thousands):

Derivatives Not Designated as Hedges	Balance Sheet Classification	Fair Value
		December 31, 2018			September 30, 2018
Foreign currency forward contracts	Prepaid expenses and other current assets	$	463		$	143
Foreign currency forward contracts	Accrued expenses and other current liabilities	(130		)	(1,192		)

Summarized Activity of Derivative Instruments

A summary of income (loss) related to the derivative instruments for the three months endedDecember 31, 2018 and 2017 is as follows (dollars in thousands):

	Income Statement Classification	Three Months Ended December 31,
Derivatives Not Designated as Hedges	Income (loss) recognized	2018			2017
Foreign currency forward contracts	Other expense, net	$	(1,730	)	$	(397	)