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FAIR VALUE MEASUREMENT OF FINANCIAL INSTRUMENTS (Tables) | 12 Months Ended
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Sep. 30, 2018
FAIR VALUE MEASUREMENT OF FINANCIAL INSTRUMENTS |
Summary of assets measured at fair value |
|  | Fair Value |  | (Level 1) |  | (Level 2) |  | (Level 3)
|  | (in thousands)
Recurring fair value measurements: |  |  |  |  |  |  |  |  |  |  |  |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 1,500 |  | $ | — |  | $ | 1,500 |  | $ | —
Corporate and municipal debt securities |  |  | 17,518 |  |  | — |  |  | 17,518 |  |  | —
U.S. government and federal agency securities |  |  | 22,443 |  |  | 22,443 |  |  | — |  |  | —
Total short-term investments |  |  | 41,461 |  |  | 22,443 |  |  | 19,018 |  |  | —
Cash and cash equivalents |  |  | 284,355 |  |  | 284,355 |  |  | — |  |  | —
Investments |  |  | 82,496 |  |  | 82,496 |  |  | — |  |  | —
Other current assets |  |  | 39,830 |  |  | 39,830 |  |  | — |  |  | —
Other assets |  |  | 2,000 |  |  | 2,000 |  |  | — |  |  | —
Total assets measured at fair value |  | $ | 450,142 |  | $ | 431,124 |  | $ | 19,018 |  | $ | —
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Contingent earnout liability |  | $ | 11,160 |  | $ | — |  | $ | — |  | $ | 11,160
Schedule of reconciliation of changes in the fair value of our financial assets and liabilities classified as Level 3 |
|  | 2018 |  | 2017
|  | (in thousands)
Net liabilities at beginning of period |  | $ | 14,879 |  | $ | —
Total gains or losses: |  |  |  |  |  |
Included in earnings |  |  | 6,906 |  |  | 14,879
Settlements (1) |  |  | (10,625) |  |  | —
Net liabilities at end of period |  | $ | 11,160 |  | $ | 14,879
| (1) |  | Settlements represent earnout payments that have been earned or paid during the period.
Summary of supplemental fair value information about long-term fixed-rate debt |
|  | September 30,
|  | 2018 |  | 2017
|  | (in millions)
Carrying value of long-term fixed-rate debt |  | $ | 494.0 |  | $ | 492.9
Fair value of long-term fixed-rate debt |  | $ | 509.3 |  | $ | 529.0
Summary of available-for-sale securities |
|  |  |  |  | Gross |  | Gross |  | Estimated
|  |  |  |  | Unrealized |  | Unrealized |  | Fair
|  | Cost |  | Gains |  | Losses |  | Value
|  | (in thousands)
Equity Securities: |  |  |  |  |  |  |  |  |  |  |  |
September 30, 2018 |  | $ | 38,473 |  | $ | 44,023 |  | $ | — |  | $ | 82,496
September 30, 2017 |  | $ | 38,473 |  | $ | 31,700 |  | $ | — |  | $ | 70,173

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- Definition Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13476-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75026489&loc=d3e13220-108610 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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