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Goodwill and Intangibles (Details Textuals) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2018 USD ($)
Goodwill [Line Items] |  |
Number of Reporting Units | 6 |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 30.00% |
Goodwill and Intangibles (Textuals) [Abstract] |  |
Amortization expense for the remainder of 2019 |  | $ 22,200
Amortization expense for 2020 |  | 42,600
Amortization expense for 2021 |  | 40,200
Amortization expense for 2022 |  | 37,800
Amortization expense for 2023 |  | 35,400
Amortization expense for 2024 |  | 31,000
Service Center Based Distribution Segment [Member] |  |
Goodwill [Line Items] |  |
Accumulated goodwill impairment losses |  | 64,794
Fluid Power Businesses Segment [Member] |  |
Goodwill [Line Items] |  |
Accumulated goodwill impairment losses |  | $ 36,605

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