XML 44 R15.htm IDEA: XBRL DOCUMENT
v3.19.3

Debt Securities | 12 Months Ended
--- | ---
Jul. 31, 2019
Investments, Debt and Equity Securities [Abstract] |
Debt Securities | Note 7—Debt Securities The following is a summary of marketable debt securities:
(in thousands) |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |
July 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit* |  | $ | 2,234 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,234 |
Municipal bonds |  |  | 300 |  |  |  | — |  |  |  | — |  |  |  | 300 |
TOTAL |  | $ | 2,534 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,534 |
July 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit* |  | $ | 3,032 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,032 |
U.S. Treasury notes |  |  | 1,693 |  |  |  | — |  |  |  | (1 | ) |  |  | 1,692 |
Municipal bonds |  |  | 888 |  |  |  | — |  |  |  | — |  |  |  | 888 |
TOTAL |  | $ | 5,613 |  |  | $ | — |  |  | $ | (1 | ) |  | $ | 5,612 |
| * | Each of the Company's certificates of deposit has a CUSIP, was purchased in the secondary market through a broker and may be sold in the secondary market.
Equity securities with a fair value of $0.4 million at July 31, 2018 were reclassified to current "Equity investments" to conform to the current year presentation (see Note 8). Proceeds from maturities and sales of available-for-sale securities were $5.3 million, $41.5 million and $48.0 million in fiscal 2019, fiscal 2018 and fiscal 2017, respectively. Realized gains from sales of available-for-sale securities were nil, nil and $0.3 million in fiscal 2019, fiscal 2018 and fiscal 2017, respectively. Realized losses from sales of available-for-sale securities were nil, $16,000 and nil in fiscal 2019, fiscal 2018 and fiscal 2017, respectively. The contractual maturities of the Company's available-for-sale debt securities at July 31, 2019 were as follows:
(in thousands) |  | Fair Value |
Within one year |  | $ | 2,534 |
After one year through five years |  |  | — |
After five years through ten years |  |  | — |
After ten years |  |  | — |
TOTAL |  | $ | 2,534 |
The following available-for-sale debt securities were in an unrealized loss position for which other-than-temporary impairments were not recognized:
(in thousands) |  | Unrealized Losses |  |  | Fair Value |
July 31, 2018 |  |  |  |  |  |
U.S. Treasury notes |  | $ | 1 |  |  | $ | 1,692 |
At July 31, 2019 and 2018, there were no securities in a continuous unrealized loss position for 12 months or longer.

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 + Details
Name: | us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration