XML 17 R7.htm IDEA: XBRL DOCUMENT

Marketable Securities	9 Months Ended
Marketable Securities	Jun. 30, 2017
Marketable Securities [Abstract]
Cash, Cash Equivalents, and Marketable Securities [Text Block]	Marketable Securities Marketable securities consist of mutual fund investments principally in federal, state and local government debt securities of $13,448 as of June 30, 2017. Such mutual fund investments are stated at market value based on quoted market prices (Level 1 inputs) and are classified as available-for-sale under the provisions of Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) 320, with unrealized gains and losses reported in accumulated other comprehensive loss as a component of shareholders’ equity. The cost of such securities at June 30, 2017 was $14,020, with $572 of cumulative unrealized losses reported at June 30, 2017.