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Income Taxes (Income Tax Provisions Computed using Statutory U.S. Federal Rate) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2018 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |  |  |
Income tax at statutory rate |  | $ 26,639 | $ 49,807 | $ 29,347 |
Lower rates on foreign operations |  | (12,171) | (16,210) | (12,738) |
State income taxes |  | 4,390 | 3,072 | 5,825 |
Loss on investment in subsidiary |  | (374) | (25,688) | 1,797 |
Gain on derivative |  | 0 | (23,252) | 0 |
Permanent non-deductible items |  | 1,086 | (236) | 469 |
Foreign tax provisions under GILTI |  | 6,084 | 6,502 | 3,231 |
Other |  | (406) | (353) | 4,947 |
Provision for (benefit from) income taxes |  | $ 25,248 | $ (6,358) | $ 32,878 |
Income tax at statutory rate | 21.00% | 21.00% | 21.00% | 21.00% | 35.00%
Lower rates on foreign operations |  | (9.60%) | (6.80%) | (9.10%) |
State income taxes |  | 3.50% | 1.30% | 4.20% |
Loss on investment in subsidiary |  | (0.30%) | (10.80%) | 1.30% |
Gain on derivative |  | 0.00% | (9.80%) | 0.00% |
Permanent non-deductible items |  | 0.90% | (0.10%) | 0.30% |
Foreign tax provisions under GILTI |  | 4.80% | 2.70% | 2.30% |
Other |  | (0.30%) | (0.10%) | 3.50% |
(Benefit from) provision for income taxes |  | 19.90% | (2.70%) | 23.50% |

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