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v3.20.2

BORROWINGS AND DEBT (Details) $ / shares in Units, $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2020 USD ($) item $ / shares | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Apr. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Feb. 28, 2017 USD ($) | Dec. 31, 2016 USD ($)
Borrowings |  |  |  |  |  |  |
Borrowings outstanding | $ 59,000 | $ 88,000 |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 535,000 | $ 525,000 |  |
Sub-limit available for letters of credit |  |  |  |  |  |  | $ 300,000
Unused commitment fee (as a percent) | 0.10% |  |  |  |  |  |
Borrowings outstanding | $ 59,000 |  |  |  |  |  |
Amount outstanding under lines of credit facilities | 46,500 |  |  |  |  |  |
Available credit facility | $ 429,500 |  |  |  |  |  |
Revolving Credit Facility | Minimum |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |
Unused commitment fee (as a percent) | 0.10% |  |  |  |  |  |
Revolving Credit Facility | Maximum |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |
Increase in the credit agreement's borrowing capacity available under certain circumstances |  |  |  | $ 250,000 |  |  |
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 |  |  |  |  |  |  |
Unused commitment fee (as a percent) | 1.75% |  |  |  |  |  |
1.25% Convertible Senior Notes Due 2022 |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |
Principal amount | $ 287,500 |  |  |  |  | $ 287,500 |
Interest rate (as a percentage) | 1.25% |  |  |  |  | 1.25% |
Conversion ratio | 9.3056 |  |  |  |  |  |
Conversion price | $ / shares | $ 107.46 |  |  |  |  |  |
Premium on stock price | 38.50% |  |  |  |  |  |
Threshold percentage of stock price | 130.00% |  |  |  |  |  |
Number of trading days | item | 20 |  |  |  |  |  |
Number of consecutive trading days | item | 30 |  |  |  |  |  |
Principal amount of the notes to be repurchased (as a percentage) | 100.00% |  |  |  |  |  |
Liability component of convertible debt | $ 242,400 |  |  |  |  |  |
Equity component of convertible debt | 45,100 |  |  |  |  |  |
Debt issuance costs | 7,700 |  |  |  |  |  |
Debt Component of debt issuance costs | 6,500 |  |  |  |  |  |
Equity component of debt issuance costs |  | 1,200 |  |  |  |  |
Total interest expense | 13,000 | 12,600 | $ 12,300 |  |  |  |
Contractual interest expense | 3,600 | 3,600 | 3,600 |  |  |  |
Amortization of debt discount | 8,200 | 7,800 | 7,500 |  |  |  |
Amortization of debt issuance costs | 1,200 | 1,200 | $ 1,200 |  |  |  |
Unamortized debt discount | 19,075 | 27,283 |  |  |  |  |
Unamortized debt issuance costs | $ 2,547 | 3,722 |  |  |  |  |
Effective interest rate (as a percent) | 4.50% |  |  |  |  |  |
Bank lines of credit |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |
Amount outstanding under lines of credit facilities | $ 40,200 |  |  |  |  |  |
Available credit facility |  | $ 30,100 |  |  |  |  |

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