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v3.21.1

Long-term Debt - Additional Information (Detail) € in Thousands | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2019 USD ($) | Apr. 30, 2021 USD ($) | Oct. 31, 2020 USD ($) | Mar. 31, 2020 EUR (€)
Revolving Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Revolving credit facility | $ 850,000,000 |  |  |
Credit facility, term | 5 years |  |  |
Revolving Credit Agreement | Swing Line Loans |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Revolving credit facility | $ 75,000,000 |  |  |
Senior notes, due 2021-2025 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted average interest rate for borrowings |  | 3.07% |  |
Outstanding balance |  | $ 109,900,000 | $ 109,900,000 |
Remaining Weighted Average Life Of Notes |  | 1 year 9 months 29 days |  |
Senior notes, due 2021-2027 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted average interest rate for borrowings |  | 3.06% |  |
Outstanding balance |  | $ 85,714,000 | 85,714,000 |
Remaining Weighted Average Life Of Notes |  | 3 years 4 months 28 days |  |
Senior notes, due 2023-2030 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted average interest rate for borrowings |  | 3.90% |  |
Outstanding balance |  | $ 350,000,000 | 350,000,000 |
Remaining Weighted Average Life Of Notes |  | 4 years 6 months 18 days |  |
Term loan, due 2024 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Term loan |  | $ 0 | 255,000,000 |
Term loan, due 2024 | Group of Banks |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Term loan | $ 605,000,000 |  |  |
Euro loan, due 2023 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Euro loan |  | $ 318,473,000 | $ 308,642,000 |
Euro loan, due 2023 | Bank of America |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted average interest rate for borrowings |  | 0.71% |  |
Euro loan, due 2023 | Bank of America | Tranches One |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Term loan | € |  |  |  | € 115,000
Euro loan, due 2023 | Bank of America | Tranches Two |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Term loan | € |  |  |  | € 150,000

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