Segment and Geographic Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2013
Segment financial information
Net sales	$ 605,305	$ 610,519
Operating income for reportable segments	39,539	44,318
Assets used in business	1,050,089	1,001,767	1,058,706
Depreciation and amortization of property	3,431	3,022
Capital expenditures	1,571	3,892
Operating Segments [Member]
Segment financial information
Operating income for reportable segments	37,829	44,256
Assets used in business	1,050,089
Service Center Based Distribution [Member]
Segment financial information
Net sales	492,072	497,826
Operating income for reportable segments	28,372	33,720
Assets used in business	841,770	787,028
Depreciation and amortization of property	2,999	2,564
Capital expenditures	1,394	3,714
Fluid Power Businesses [Member]
Segment financial information
Net sales	113,233	112,693
Operating income for reportable segments	9,457	10,536
Assets used in business	208,319	214,739
Depreciation and amortization of property	432	458
Capital expenditures	$ 177	$ 178