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Business and Accounting Policies Textuals (Details) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Defined Benefit Plan, Other Cost (Credit) | $ 796 | $ 981 | $ 782
Payments Related to Tax Withholding for Share-based Compensation | (3,484) | (1,022) | (2,469)
Debt Issuance Cost, Gross, Noncurrent | $ 294 |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
Company's domestic inventory relate to LIFO layers | 22.50% |  |
Number of LIFO pools maintained (in pools) | 5 |  |
Shipping, Handling and Transportation Costs | $ 20,060 | 21,480 | 24,430
Vesting period of SARs and stock option awards | 4 years |  |
Contractual Terms of SARs and stock option awards | 10 years |  |
Buildings,BuildingsImprovementsandLeaseholdImprovementsMinimumUsefulLife [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Buildings,BuildingsImprovementsandLeaseholdImprovements MaximumUsefulLife [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
Property, Plant and Equipment, Useful Life | 30 years |  |
PropertyandEquipmentMinimumUsefulLife [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
PropertyandEquipmentMaximumUsefulLife [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Computer Software, Intangible Asset [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
Finite-Lived Intangible Asset, Useful Life | 12 years |  |
Adjustments for New Accounting Principle, Early Adoption [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Excess Tax Benefit from Share-based Compensation, Operating Activities | $ 2,403 |  |
Payments Related to Tax Withholding for Share-based Compensation |  | (1,022) | $ (2,469)
Adjustments for New Accounting Pronouncement [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Debt Issuance Costs, Current, Net |  | 105 |
Debt Issuance Cost, Gross, Noncurrent |  | $ 399 |

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