Derivative Financial Instruments (Tables)

3 Months Ended

Dec. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of notional principal, fixed rates and related expiration dates of outstanding interest rate swap agreements

As of December 31, 2017, the notional principal, fixed rates and related expiration dates of our outstanding interest rate swap agreements are as follows:

Notional Amount (in thousands)	Fixed Rate	Expiration Date
$39,398	1.36%	May 2018
39,398	1.34%	May 2018
39,398	1.35%	May 2018
19,700	1.23%	May 2018
19,700	1.24%	May 2018

Schedule of fair values of the entity's outstanding derivatives designated as hedging instruments

The fair values of our outstanding derivatives designated as hedging instruments were as follows:

		Fair Value of Derivative Instruments as of
	Balance Sheet Location	December 31, 2017		October 1, 2017
		(in thousands)
Interest rate swap agreements	Other current assets	$	118	$	49