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Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance at the beginning of period - Net of Tax | $ 1,310,421 | $ 1,391,530 |
Retained earnings | 1,947,498 | 2,027,263 | $ 1,927,568
Balance at the end of period - Net of Tax | 1,330,971 | 1,327,193 |
Accumulated Other Comprehensive Loss [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance at the beginning of period - Net of Tax | (9,055) | (137,290) |
Balance at the end of period - Net of Tax | (8,612) | (176,739) |
Foreign currency translation adjustments |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance at the beginning of period - Net of Tax | (1,383) | (137,389) |
Other comprehensive income (loss) - Gross | 318 | (39,494) |
Balance at the end of period - Net of Tax | (1,065) | (176,883) |
Marketable Securities. |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance at the beginning of period - Gross | 242 | 131 |
Balance at the beginning of period - Tax | (59) | (32) |
Balance at the beginning of period - Net of Tax | 183 | 99 |
Other comprehensive income (loss) - Gross | (2) | 59 |
Other comprehensive income (loss) - Tax | 1 | (14) |
Balance at the end of period - Net of Tax | 182 | $ 144 |
Interest Rate Swap |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance at the beginning of period - Gross | (10,399) |  |
Balance at the beginning of period - Tax | 2,544 |  |
Balance at the beginning of period - Net of Tax | (7,855) |  |
Other comprehensive income (loss) - Gross | 167 |  |
Other comprehensive income (loss) - Tax | (41) |  |
Balance at the end of period - Net of Tax | $ (7,729) |  |

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- Definition Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, attributable to parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners). + References No definition available. + Details
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