XML 45 R31.htm IDEA: XBRL DOCUMENT
v3.19.1

Investments (Tables) | 9 Months Ended
--- | ---
Mar. 31, 2019
Investments, Debt and Equity Securities [Abstract] |
Summary of Short-term Investments by Type | The following tables summarize short-term investments (in thousands):
|  | March 31, 2019
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Municipal bonds |  |  | $96,029 |  |  |  | $170 |  |  |  | ($297 | ) |  |  | $95,902 |
Corporate bonds |  | 151,244 |  |  | 337 |  |  | (274 | ) |  | 151,307 |
U.S. agency securities |  | 4,689 |  |  | 1 |  |  | (1 | ) |  | 4,689 |
U.S. Treasury securities |  | 28,972 |  |  | 7 |  |  | (18 | ) |  | 28,961 |
Non-U.S. certificates of deposit |  | 50,277 |  |  | 782 |  |  | — |  |  | 51,059 |
U.S. certificates of deposit |  | — |  |  | — |  |  | — |  |  | — |
Commercial paper |  | 1,193 |  |  | — |  |  | — |  |  | 1,193 |
Total short-term investments |  |  | $332,404 |  |  |  | $1,297 |  |  |  | ($590 | ) |  |  | $333,111 |
|  | June 24, 2018
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Municipal bonds |  |  | $110,198 |  |  |  | $17 |  |  |  | ($939 | ) |  |  | $109,276 |
Corporate bonds |  | 77,871 |  |  | 36 |  |  | (1,150 | ) |  | 76,757 |
U.S. agency securities |  | 3,922 |  |  | — |  |  | (38 | ) |  | 3,884 |
U.S. Treasury securities |  | — |  |  | — |  |  | — |  |  | — |
Non-U.S. certificates of deposit |  | 77,744 |  |  | — |  |  | — |  |  | 77,744 |
U.S. certificates of deposit |  | 500 |  |  | — |  |  | — |  |  | 500 |
Commercial paper |  | — |  |  | — |  |  | — |  |  | — |
Total short-term investments |  |  | $270,235 |  |  |  | $53 |  |  |  | ($2,127 | ) |  |  | $268,161 |
Summary of Gross Unrealized Losses and Estimated Fair Value of Short-term Investments, Aggregated by Investment Type and Length of Time | The following tables present the gross unrealized losses and estimated fair value of the Company's short-term investments, aggregated by investment type and the length of time that individual securities have been in a continuous unrealized loss position (in thousands, except numbers of securities):
|  | March 31, 2019
|  | Less than 12 Months |  | Greater than 12 Months |  | Total
|  | Fair Value |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss
Municipal bonds |  |  | $2,406 |  |  |  | $— |  |  |  | $68,677 |  |  |  | ($297 | ) |  |  | $71,083 |  |  |  | ($297 | )
Corporate bonds |  | 31,144 |  |  | (17 | ) |  | 32,930 |  |  | (257 | ) |  | 64,074 |  |  | (274 | )
U.S. agency securities |  | 5,788 |  |  | (1 | ) |  | — |  |  | — |  |  | 5,788 |  |  | (1 | )
U.S. Treasury securities |  | 10,110 |  |  | (2 | ) |  | 3,907 |  |  | (16 | ) |  | 14,017 |  |  | (18 | )
Total |  |  | $49,448 |  |  |  | ($20 | ) |  |  | $105,514 |  |  |  | ($570 | ) |  |  | $154,962 |  |  |  | ($590 | )
Number of securities with an unrealized loss |  |  |  | 54 |  |  |  |  | 85 |  |  |  | 139 |
|  | June 24, 2018
|  | Less than 12 Months |  | Greater than 12 Months |  | Total
|  | Fair Value |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss
Municipal bonds |  |  | $97,470 |  |  |  | ($861 | ) |  |  | $3,642 |  |  |  | ($78 | ) |  |  | $101,112 |  |  |  | ($939 | )
Corporate bonds |  | 61,453 |  |  | (1,088 | ) |  | 1,486 |  |  | (62 | ) |  | 62,939 |  |  | (1,150 | )
U.S. agency securities |  | 3,884 |  |  | (38 | ) |  | — |  |  | — |  |  | 3,884 |  |  | (38 | )
U.S. Treasury securities |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total |  |  | $162,807 |  |  |  | ($1,987 | ) |  |  | $5,128 |  |  |  | ($140 | ) |  |  | $167,935 |  |  |  | ($2,127 | )
Number of securities with an unrealized loss |  |  |  | 151 |  |  |  |  | 6 |  |  |  |  | 157 |
Contractual Maturities of Short-term Investments by Type | The contractual maturities of short-term investments as of March 31, 2019 were as follows (in thousands):
| Within One Year |  | After One, Within Five Years |  | After Five, Within Ten Years |  | After Ten Years |  | Total
Municipal bonds |  | $37,749 |  |  |  | $58,153 |  |  |  | $— |  |  |  | $— |  |  |  | $95,902 |
Corporate bonds | 61,245 |  |  | 90,062 |  |  | — |  |  | — |  |  | 151,307 |
U.S. agency securities | 3,988 |  |  | 701 |  |  | — |  |  | — |  |  | 4,689 |
U.S. Treasury securities | 28,961 |  |  | — |  |  | — |  |  | — |  |  | 28,961 |
Non-U.S. certificates of deposit | 51,059 |  |  | — |  |  | — |  |  | — |  |  | 51,059 |
Commercial paper | 1,193 |  |  | — |  |  | — |  |  | — |  |  | 1,193 |
Total short-term investments |  | $184,195 |  |  |  | $148,916 |  |  |  | $— |  |  |  | $— |  |  |  | $333,111 |

X
- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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 For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration