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Goodwill and Intangibles (Details Textuals) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jan. 01, 2021	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			25.00%
Goodwill	$ 559,196	$ 559,196		$ 540,594	$ 661,991
Impairment expense		45,033
Tangible Asset Impairment Charges		1,983
Operating Lease, Impairment Loss		2,512
Goodwill and Intangibles (Textuals) [Abstract]
Amortization expense for the remainder of 2021	8,300	8,300
Amortization expense for 2022	31,400	31,400
Amortization expense for 2023	29,500	29,500
Amortization expense for 2024	25,800	25,800
Amortization expense for 2025	23,600	23,600
Amortization expense for 2026	21,900	21,900
Service Center Based Distribution Segment [Member]
Goodwill [Line Items]
Goodwill	211,484	211,484		208,570	213,634
Accumulated goodwill impairment losses	64,794	64,794
Fluid Power & Flow Control Segment [Member]
Goodwill [Line Items]
Goodwill	347,712	347,712		$ 332,024	$ 448,357
Accumulated goodwill impairment losses	167,605	167,605
FCX Performance, Inc
Goodwill [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount			14.00%
Goodwill	$ 309,012	$ 309,012

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