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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Total debt, payments due by period |  |  |
Total debt | $ 377,561 |  |
Less than 1 year | 88,819 |  |
1-3 years | 1,156 |  |
3-5 years | 287,586 |  |
Operating leases, payments due by period |  |  |
Operating leases | 34,291 |  |
Less than 1 year | 9,802 |  |
1-3 years | 13,555 |  |
3-5 years | 6,351 |  |
After 5 years | 4,583 |  |
Purchase obligations, payments due by period |  |  |
Purchase obligations | 58,793 |  |
Less than 1 year | 55,203 |  |
1-3 years | 3,570 |  |
3-5 years | 16 |  |
After 5 years | 4 |  |
Acquisition-related obligations, payments due by period |  |  |
Acquisition-related obligations | 16,577 |  |
Less than 1 year | 5,080 |  |
1-3 years | 8,045 |  |
3-5 years | 2,618 |  |
After 5 years | 834 |  |
Defined benefit plan obligation, payments due by period |  |  |
Defined benefit plan obligation | 11,973 |  |
Less than 1 year | 122 |  |
1-3 years | 273 |  |
3-5 years | 5,962 |  |
After 5 years | 5,616 |  |
Total contractual obligations, payments due by period |  |  |
Total contractual obligations | 499,195 |  |
Less than 1 year | 159,026 |  |
1-3 years | 26,599 |  |
3-5 years | 302,533 |  |
After 5 years | 11,037 |  |
Other Commercial Commitments-letters of credit, payments due by period |  |  |
Total other commercial commitments-letters of credit | 98,428 |  |
Less than 1 year | 50,266 |  |
1-3 years | 24,295 |  |
3-5 years | 2,280 |  |
After 5 years | 21,587 |  |
Operating Leases |  |  |
Rent expense | $ 10,000 | $ 9,400 | $ 10,200

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