Financial Instruments and Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2018

Financial Instruments and Fair Value Measurments

Financial Assets that are Measured at Fair Value on a Recurring Basis

	At September 30, 2018								At September 30, 2017
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Financial assets:
Cash	$	59,838	$	-	$	-	$	59,838	$	79,822	$	-	$	-	$	79,822
Investments in reverse repurchase agreements		4,582		-		-		4,582		1		-		-		1
Investments in term deposits with foreign banks		19,174		-		-		19,174		7,729		-		-		7,729
Equity securities		19,730		-		-		19,730		16,600		-		-		16,600
Total financial assets	$	103,324	$	-	$	-	$	103,324	$	104,152	$	-	$	-	$	104,152
Financial liabilities:
Cross currency interest rate swaps	$	-	$	23,000	$	-	$	23,000	$	-	$	-	$	-	$	-
Total financial liabilities	$	-	$	23,000	$	-	$	23,000	$	-	$	-	$	-	$	-

Estimated Fair Values of Financial Instruments

		At September 30, 2018				At September 30, 2017
	Fair Value Hierarchy Level	Estimated Fair Value		Carrying Cost		Estimated Fair Value		Carrying Cost
Assets:
Notes receivable from municipalities	2	$	13,458	$	13,462	$	15,848	$	14,507
Investments in short-term time deposits	2		8,883		8,874		8,227		8,223
Liabilities:
Long-term debt	2	$	(1,094,987)	$	(1,095,292)	$	(592,317)	$	(582,080)