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v3.23.3

Convertible Senior Notes - Additional Information (Detail) |  | 1 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jun. 01, 2022 USD ($) | Jun. 30, 2020 USD ($) $ / shares shares | May 31, 2017 USD ($) | Sep. 30, 2023 d $ / shares shares | Sep. 30, 2022 USD ($) | Nov. 03, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Aggregate principal amount paid |  |  |  |  | $ 1,619,000 |
Cash received upon settlement | $ 60,500,000 |  |  |  | $ 60,483,000 |
0.375% Convertible Senior Notes Due 2025 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  | 0.375% |  |  |  |
Debt instrument, maturity date |  |  |  | Jun. 01, 2025 |  |
Debt instrument, payment terms |  |  |  | The interest rate is fixed at 0.375% per annum and is payable semi-annually in arrears on June 1 and December 1 of each year. |  |
Proceeds from issuance of notes |  | $ 450,100,000 |  |  |  |
Principal amount of each convertible note |  | $ 1,000 |  |  |  |
Debt instrument, conversion ratio |  | 3.5396 |  |  |  |
Principal amount settlement, Description |  |  |  | The Company expects to settle the principal amount of the 2025 Notes in cash. |  |
Debt instrument, convertible, threshold trading days | d |  |  |  | 20 |  |
Debt instrument, convertible, threshold consecutive trading days | d |  |  |  | 30 |  |
Debt instrument, conversion price per share | $ / shares |  | $ 282.52 |  | $ 282.52 |  |
0.375% Convertible Senior Notes Due 2025 [Member] | Subsequent Event [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of long term debt |  |  |  |  |  | $ 0
0.375% Convertible Senior Notes Due 2025 [Member] | Capped Call Options [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Cost of purchased capped call options |  | $ 50,600,000 |  |  |  |
Derivative, price risk option strike price | $ / shares |  | $ 282.52 |  |  |  |
Derivative, cap price | $ / shares |  | $ 426.44 |  |  |  |
0.375% Convertible Senior Notes Due 2025 [Member] | Private Offering [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of long term debt |  | $ 400,000,000 |  |  |  |
0.375% Convertible Senior Notes Due 2025 [Member] | Over-Allotment Options [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of long term debt |  | $ 60,000,000 |  |  |  |
0.375% Convertible Senior Notes Due 2025 [Member] | Maximum [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Percentage of closing price to trigger debt conversion |  |  |  | 130.00% |  |
0.375% Convertible Senior Notes Due 2025 [Member] | Maximum [Member] | Capped Call Options [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Common stock shares covered under capped call transactions | shares |  | 1,600,000 |  |  |  |
0.25% Convertible Senior Notes Due 2022 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  | 0.25% |  |  |
Debt instrument, maturity date |  |  |  | Jun. 01, 2022 |  |
Debt instrument, payment terms |  |  |  | The interest rate is fixed at 0.25% per annum and is payable semi-annually in arrears on June 1 and December 1 of each year. |  |
Proceeds from issuance of notes |  |  | $ 389,200,000 |  |  |
Number of common shares to be repurchased under convertible note hedge transactions with certain counterparties | shares |  |  |  | 4,200,000 |  |
Hedging option strike price per common stock | $ / shares |  |  |  | $ 94.77 |  |
Aggregate principal amount paid | 19,400,000 |  |  |  |  |
Conversion premium in excess of principal amount | $ 60,400,000 |  |  |  |  |
0.25% Convertible Senior Notes Due 2022 [Member] | Common Stock [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Warrants holders option to purchase number of shares of company’s common stock | shares |  |  |  | 4,200,000 |  |
Warrants exercise price per share | $ / shares |  |  |  | $ 115.8 |  |
Shares settled and issued | shares |  |  |  | 800,000 |  |
0.25% Convertible Senior Notes Due 2022 [Member] | Warrants [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Warrant exercised | shares |  |  |  | 1,400,000 |  |
0.25% Convertible Senior Notes Due 2022 [Member] | Private Offering [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of long term debt |  |  | 350,000,000 |  |  |
0.25% Convertible Senior Notes Due 2022 [Member] | Over-Allotment Options [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of long term debt |  |  | $ 50,000 |  |  |

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