Financial Instruments and Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2018

Financial Instruments and Fair Value Measurments

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

	At March 31, 2018								At September 30, 2017
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Financial assets:
Cash	$	98,646	$	-	$	-	$	98,646	$	79,822	$	-	$	-	$	79,822
Investments in reverse repurchase agreements		557		-		-		557		1		-		-		1
Investments in term deposits with foreign banks		944		-		-		944		7,729		-		-		7,729
Equity securities		19,050		-		-		19,050		16,600		-		-		16,600
Total financial assets	$	119,197	$	-	$	-	$	119,197	$	104,152	$	-	$	-	$	104,152

Estimated Fair Values of Financial Instruments

		At March 31, 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	$	14,506	$	14,346	$	15,848	$	14,507
Investments in short-term time deposits	2		-		-		8,227		8,223
Liabilities:
Long-term debt	2	$	(588,701)	$	(590,115)	$	(592,317)	$	(582,080)