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v3.23.3

Borrowings (Details) - USD ($) | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2021 | Sep. 30, 2023 | Sep. 30, 2022 | Jun. 30, 2023 | Sep. 01, 2022 | Feb. 28, 2017
BORROWINGS |  |  |  |  |  |
Borrowings outstanding |  | $ 235,000,000 |  | $ 215,000,000 |  |
Contractual interest expense |  |  | $ 500,000 |  |  |
Revolving credit facility |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Maximum borrowing capacity | $ 600,000,000 |  |  |  |  |
Credit facility under term loan | 150,000,000 |  |  |  |  |
Unused commitment fee (as a percent) |  | 0.10% |  |  |  |
Borrowings outstanding |  | $ 235,000,000 |  |  |  |
Available credit facility |  | $ 327,300,000 |  |  |  |
Revolving credit facility | Minimum |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Maximum borrowing capacity | 535,000,000 |  |  |  |  |
Unused commitment fee (as a percent) |  | 0.10% |  |  |  |
Revolving credit facility | Maximum |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Maximum borrowing capacity | 750,000,000 |  |  |  |  |
Increase in the credit agreement's borrowing capacity available under certain circumstances | 250,000,000 |  |  |  |  |
Unused commitment fee (as a percent) |  | 0.25% |  |  |  |
Revolving credit facility | LIBOR |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Interest rate margin (as a percent) |  | 1.00% |  |  |  |
Revolving credit facility | LIBOR | Minimum |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Interest rate margin (as a percent) |  | 1.00% |  |  |  |
Revolving credit facility | LIBOR | Maximum |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Interest rate margin (as a percent) |  | 1.75% |  |  |  |
Letters of credit sub facility |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Maximum borrowing capacity | $ 300,000,000 |  |  |  |  |
Amount outstanding under letters of credit |  | $ 37,700,000 |  |  |  |
Term Loan |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Borrowings outstanding |  | 141,300,000 |  |  |  |
1.25% Convertible Senior Notes Due 2022 |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Interest rate |  |  | 700,000 |  |  |
Principal amount |  |  |  |  |  | $ 287,500,000
Principal value of notes repurchased and cancelled |  |  |  |  | $ 242,300,000 |
Contractual interest expense |  | 500,000 |  |  |  |
Amortization of debt issuance costs |  |  | 200,000 |  |  |
Lines-of-credit |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Amount outstanding under letters of credit |  | 56,800,000 |  |  |  |
Available credit facility |  | 17,600,000 |  |  |  |
Credit facility and delayed draw term loan |  |  |  |  |  |
BORROWINGS |  |  |  |  |  |
Interest rate |  | $ 6,300,000 | $ 2,100,000 |  |  |

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