Goodwill and Intangibles (Details Textuals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015	Jun. 30, 2015
Goodwill [Line Items]
Goodwill Impairment	$ 64,794	$ 0	$ 64,794	$ 0
Goodwill	199,236		199,236		$ 254,406
Goodwill and Intangibles (Textuals) [Abstract]
Amortization expense for the remainder of 2016	6,700		6,700
Amortization expense for 2017	24,700		24,700
Amortization expense for 2018	22,500		22,500
Amortization expense for 2019	20,700		20,700
Amortization expense for 2020	18,900		18,900
Amortization expense for 2021	17,400		17,400
Fluid Power Businesses [Member]
Goodwill [Line Items]
Accumulated goodwill impairment losses	36,605		36,605
Service Center Based Distribution Segment [Member]
Goodwill [Line Items]
Goodwill Impairment			64,794
Goodwill	195,048		195,048		$ 253,477
Accumulated goodwill impairment losses	64,794		64,794
Canada Service Centers reporting unit [Member]
Goodwill [Line Items]
Goodwill Impairment			56,022
Goodwill	$ 28,039		28,039
Australia/New Zealand reporting unit [Member]
Goodwill [Line Items]
Goodwill Impairment			$ 8,772