Debt - Schedule of Capped Call Transactions (Details) - Convertible Debt - $ / shares |
Jun. 08, 2021 |
Aug. 19, 2020 |
Sep. 18, 2019 |
Mar. 08, 2018 |
Aug. 31, 2020 |
Sep. 30, 2019 |
Mar. 31, 2018 |
|---|---|---|---|---|---|---|---|
| 2021 Capped Call Transactions | |||||||
| Line of Credit Facility [Line Items] | |||||||
| Transaction price cap (in dollars per share) | $ 340.42 | ||||||
| Cap premium percentage over reported sales price | 100.00% | ||||||
| 2020 Capped Call Transactions | |||||||
| Line of Credit Facility [Line Items] | |||||||
| Transaction price cap (in dollars per share) | $ 327.83 | ||||||
| Cap premium percentage over reported sales price | 150.00% | ||||||
| 2019 Capped Call Transactions | |||||||
| Line of Credit Facility [Line Items] | |||||||
| Transaction price cap (in dollars per share) | $ 148.63 | ||||||
| Cap premium percentage over reported sales price | 150.00% | ||||||
| 2018 Capped Call Transactions | |||||||
| Line of Credit Facility [Line Items] | |||||||
| Transaction price cap (in dollars per share) | $ 52.76 | ||||||
| Cap premium percentage over reported sales price | 100.00% |