DERIVATIVE FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Sep. 30, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments

The notional amount of our derivative instruments are as follows:

	September 30,
	2020		2019
Derivatives designated as hedging instruments
Interest rate swap contract	$	571,000	$	699,000
Derivatives not designated as hedging instruments
Foreign exchange contracts to purchase U.S. dollars	8,054		6,239
Foreign exchange contracts to sell U.S. dollars	25,105		24,270

Fair value of derivative instruments included in the Consolidated Balance Sheet

The fair value of our derivative instruments included in the Consolidated Balance Sheets was as follows:

		Derivative Assets				Derivative Liabilities
		September 30,				September 30,
	Consolidated Balance Sheets Location	2020		2019		2020		2019
Derivatives designated as hedging instruments
Interest rate swap contract	Accrued expenses, income taxes payable and other current liabilities	$	—	$	—	$	11,992	$	5,351
	Other long-term liabilities	—		—		26,000		18,841
Derivatives not designated as hedging instruments
Foreign exchange contracts	Prepaid expenses and other current assets	27		—		—		—
	Accrued expenses, income taxes payable and other current liabilities	—		—		165		52

Summary of effect of derivative instruments on the Consolidated Statements of Income and Other Comprehensive Income

The following table summarizes the effect of our derivative instrument on our Consolidated Statements of Income:

		Gain (Loss) Recognized in Consolidated Statements of Income
		Fiscal Year Ended September 30,
	Consolidated Statements of Income Location	2020		2019		2018
Derivatives designated as hedging instruments
Interest rate swap contract	Interest expense	$	(9,360)	$	524	$	515
Derivatives not designated as hedging instruments
Foreign exchange contracts	Other income (expense), net	(222)		28		(1,569)

The following table summarizes the effect of our derivative instrument on Accumulated other comprehensive income:

	Amount of Gain (Loss) Recognized in Other Comprehensive Income
	Fiscal Year Ended September 30,
	2020		2019		2018
Derivatives designated as hedging instruments
Interest rate swap contract	$	(23,161)	$	(23,667)	$	430