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Segment and Geographic Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Segment financial information |  |  |
Net Sales | $ 2,593,746 | $ 2,519,428 | $ 2,751,561
Operating income for reportable segments | 174,590 | 88,801 | 184,619
Assets used in the business | 1,387,595 | 1,312,025 |
Depreciation and amortization of property | 15,306 | 15,966 | 16,578
Capital expenditures | 17,045 | 13,130 | 14,933
Service Center Based Distribution Segment [Member] |  |  |
Segment financial information |  |  |
Net Sales | 2,119,904 | 2,087,041 | 2,254,768
Operating income for reportable segments | 111,357 | 109,491 | 140,421
Assets used in the business | 1,153,411 | 1,123,597 | 1,228,131
Depreciation and amortization of property | 14,010 | 14,595 | 15,196
Capital expenditures | 14,497 | 12,227 | 13,531
Fluid Power Businesses [Member] |  |  |
Segment financial information |  |  |
Net Sales | 473,842 | 432,387 | 496,793
Operating income for reportable segments | 51,006 | 40,794 | 48,535
Assets used in the business | 234,184 | 188,428 | 204,425
Depreciation and amortization of property | 1,296 | 1,371 | 1,382
Capital expenditures | 2,548 | 903 | 1,402
Reportable Segment [Member] |  |  |
Segment financial information |  |  |
Net Sales | 2,593,746 | 2,519,428 | 2,751,561
Operating income for reportable segments | 162,363 | 150,285 | 188,956
Assets used in the business | 1,387,595 | 1,312,025 | 1,432,556
Depreciation and amortization of property | 15,306 | 15,966 | 16,578
Capital expenditures | $ 17,045 | $ 13,130 | $ 14,933

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