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SEGMENT AND RELATED INFORMATION - Foreign service and repair fees - (Details) | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Foreign service and repair fees | 7.70% | 7.40%
PUERTO RICO |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Foreign service and repair fees | 1.30% | 1.90%
SWITZERLAND |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Foreign service and repair fees | 0.30% | 0.30%
GERMANY |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Foreign service and repair fees | 3.00% | 2.00%
UNITED KINGDOM |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Foreign service and repair fees | 1.30% | 0.70%
UNITED ARAB EMIRATES |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Foreign service and repair fees | 0.10% | 0.30%
DOMINICAN REPUBLIC |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Foreign service and repair fees | 1.20% | 1.20%
CANADA |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Foreign service and repair fees | 0.10% |
GREECE |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Foreign service and repair fees | 0.40% | 0.30%
AUSTRALIA |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Foreign service and repair fees |  | 0.70%

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