Financial Instruments and Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2017

Financial Instruments and Fair Value Measurments

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

	At December 31, 2017								At September 30, 2017
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Financial assets:
Cash	$	77,411	$	-	$	-	$	77,411	$	79,822	$	-	$	-	$	79,822
Investments in reverse repurchase agreements		847		-		-		847		1		-		-		1
Investments in term deposits with foreign banks		7,521		-		-		7,521		7,729		-		-		7,729
Equity securities		19,133		-		-		19,133		16,600		-		-		16,600
Total financial assets	$	104,912	$	-	$	-	$	104,912	$	104,152	$	-	$	-	$	104,152

Estimated Fair Values of Financial Instruments

		At December 31, 2017				At September 30, 2017
	Fair Value Hierarchy Level	Estimated Fair Value		Carrying Cost		Estimated Fair Value		Carrying Cost
Assets:
Notes receivable from municipalities	2	$	14,771	$	14,217	$	15,848	$	14,507
Investments in short-term time deposits	2		9,191		9,219		8,227		8,223
Liabilities:
Long-term debt	2	$	(596,136)	$	(585,059)	$	(592,317)	$	(582,080)