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Goodwill and Intangibles (Details Textuals) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($)
Goodwill [Line Items] |  |  |
Number of Reporting Units | 8 |  |
Number of Reporting Units with Fair Value Exceeding Carrying Value | 7 |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 10.00% |  |
Goodwill | $ 541,357 | $ 540,594 | $ 661,991
Impairment |  | 131,000 |
Goodwill and Intangibles (Textuals) [Abstract] |  |  |
Amortization expense for the remainder of 2021 | 28,600 |  |
Amortization expense for 2022 | 36,200 |  |
Amortization expense for 2023 | 34,000 |  |
Amortization expense for 2024 | 29,800 |  |
Amortization expense for 2025 | 26,800 |  |
Amortization expense for 2026 | 24,800 |  |
Service Center Based Distribution Segment [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 209,333 | 208,570 | 213,634
Impairment |  | 0 |
Accumulated goodwill impairment losses | 64,794 |  |
Fluid Power & Flow Control Segment [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 332,024 | 332,024 | $ 448,357
Impairment |  | 131,000 |
Accumulated goodwill impairment losses | $ 167,605 |  |
CANADA |  |  |
Goodwill [Line Items] |  |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 12.00% |  |
Goodwill | $ 27,770 |  |
MEXICO |  |  |
Goodwill [Line Items] |  |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 14.00% |  |
Goodwill | $ 5,365 |  |
FCX Performance, Inc |  |  |
Goodwill [Line Items] |  |  |
Goodwill | $ 309,012 |  |
FCX Performance, Inc | Fluid Power & Flow Control Segment [Member] |  |  |
Goodwill [Line Items] |  |  |
Impairment |  | $ 131,000 |

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