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Business and Accounting Policies Textuals (Details) $ in Thousands | 12 Months Ended
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Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($)
Business and Accounting Policies (Textuals) [Abstract] |  |  |
Allowance for Doubtful Accounts Receivable, Current | $ 10,498 | $ 10,964 |
Company's domestic inventory relate to LIFO layers | 15.90% |  |
Number of LIFO pools maintained (in pools) | 5 |  |
Revenue Recognition, Sales Returns Reserve | $ 7,265 | 2,602 |
Shipping and Handling Costs | $ 24,090 | $ 19,320 | $ 20,060
Vesting period of SARs and stock option awards | 4 years |  |
Contractual Terms of SARs and stock option awards | 10 years |  |
Accounting Standards Update 2014-09 [Member] | Retained Earnings [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ 3,429 |  |
Accounting Standards Update 2016-16 [Member] | Retained Earnings [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | 424 |  |
Accounting Standards Update 2016-16 [Member] | Other Noncurrent Assets [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | 587 |  |
Accounting Standards Update 2016-16 [Member] | Prepaid Expenses and Other Current Assets [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ 1,011 |  |
Computer Software, Intangible Asset [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
Finite-Lived Intangible Asset, Useful Life | 12 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 |  |
Minimum [Member] | Accounting Standards Update 2016-02 [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
Finance Lease, Right-of-Use Asset | $ 80,000 |  |
Maximum [Member] | Accounting Standards Update 2016-02 [Member] |  |  |
Business and Accounting Policies (Textuals) [Abstract] |  |  |
Finance Lease, Right-of-Use Asset | $ 105,000 |  |

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