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Goodwill and Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
Goodwill and Intangibles (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Changes in the carrying amount of goodwill by reportable segment
Balance at beginning of period			$ 540,594	$ 661,991	$ 661,991
Goodwill acquired during the period			15,688		11,274
Other, primarily currency translation			2,914		(1,671)
Balance at March 31, 2021	$ 559,196		559,196		540,594
FCX Performance, Inc
Changes in the carrying amount of goodwill by reportable segment
Balance at March 31, 2021	309,012		309,012
Service Center Based Distribution Segment [Member]
Changes in the carrying amount of goodwill by reportable segment
Balance at beginning of period			208,570	213,634	213,634
Goodwill adjusted during the period					(3,393)
Goodwill acquired during the period			0
Impairment					0
Other, primarily currency translation			2,914		(1,671)
Balance at March 31, 2021	211,484		211,484		208,570
Fluid Power & Flow Control Segment [Member]
Changes in the carrying amount of goodwill by reportable segment
Balance at beginning of period			332,024	448,357	448,357
Goodwill acquired during the period			15,688		14,667
Impairment	0	$ (131,000)	0	$ (131,000)	(131,000)
Other, primarily currency translation			0		0
Balance at March 31, 2021	$ 347,712		$ 347,712		332,024
Fluid Power & Flow Control Segment [Member] \| FCX Performance, Inc
Changes in the carrying amount of goodwill by reportable segment
Impairment					$ (131,000)