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Goodwill and Intangibles (Details Textuals) $ in Thousands	3 Months Ended
	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Jan. 01, 2021	Jun. 30, 2020 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	$ 562,791	$ 560,077		$ 540,594
Goodwill and Intangibles (Textuals) [Abstract]
Amortization expense for the remainder of 2022	23,800
Amortization expense for 2023	30,000
Amortization expense for 2024	26,300
Amortization expense for 2025	24,100
Amortization expense for 2026	22,400
Amortization expense for 2027	20,600
Service Center Based Distribution Segment [Member]
Goodwill [Line Items]
Goodwill	211,278	212,296		208,570
Accumulated goodwill impairment losses	64,794
Fluid Power & Flow Control Segment [Member]
Goodwill [Line Items]
Goodwill	351,513	$ 347,781		$ 332,024
Accumulated goodwill impairment losses	167,605
FCX Performance, Inc
Goodwill [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount			14.00%
Goodwill	$ 309,012

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