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v3.19.3

Components of Debt (Parenthetical) (Detail) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Jun. 30, 2019 | Sep. 30, 2018
0.25% Convertible Senior Note Due 2022 |  |  |
Line Of Credit Facility [Line Items] |  |  |
Debt instrument, interest rate | 0.25% | 0.25% | 0.25%
0.50% Convertible Notes |  |  |
Line Of Credit Facility [Line Items] |  |  |
Debt instrument, interest rate | 0.50% |  |
London Interbank Offered Rate (LIBOR) | Term A Loan |  |  |
Line Of Credit Facility [Line Items] |  |  |
Debt instrument, rate added on variable rate | 2.00% |  |
London Interbank Offered Rate (LIBOR) | Revolving Credit Facility |  |  |
Line Of Credit Facility [Line Items] |  |  |
Debt instrument, rate added on variable rate | 2.00% |  |
London Interbank Offered Rate (LIBOR) | Term Loans |  |  |
Line Of Credit Facility [Line Items] |  |  |
Debt instrument, rate added on variable rate |  | 1.75% |
London Interbank Offered Rate (LIBOR) | Term B Loan Facility |  |  |
Line Of Credit Facility [Line Items] |  |  |
Debt instrument, rate added on variable rate | 3.50% |  |
London Interbank Offered Rate (LIBOR) | Line of credit |  |  |
Line Of Credit Facility [Line Items] |  |  |
Debt instrument, rate added on variable rate |  | 1.75% |
London Interbank Offered Rate (LIBOR) | Yen denominated line of credit |  |  |
Line Of Credit Facility [Line Items] |  |  |
Debt instrument, rate added on variable rate |  | 1.75% |

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