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Income Taxes (Tables) | 12 Months Ended
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Aug. 31, 2018
Income Tax Disclosure [Abstract] |
Schedule Of Earnings Before Income Taxes |
|  | For the years ended August 31, |
($ in thousands) |  | 2018 |  |  | 2017 |  |  | 2016 |
United States |  | $ | 25,116 |  |  | $ | 21,969 |  |  | $ | 17,805 |
Foreign |  |  | 8,737 |  |  |  | 13,746 |  |  |  | 11,483 |
|  | $ | 33,853 |  |  | $ | 35,715 |  |  | $ | 29,288 |
Schedule Of Significant Components Of Income Tax Provision |
|  | For the years ended August 31, |
($ in thousands) |  | 2018 |  |  | 2017 |  |  | 2016 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 9,313 |  |  | $ | 7,873 |  |  | $ | 10,570 |
State |  |  | 1,047 |  |  |  | 781 |  |  |  | 976 |
Foreign |  |  | 3,266 |  |  |  | 4,785 |  |  |  | 3,230 |
Total current |  |  | 13,626 |  |  |  | 13,439 |  |  |  | 14,776 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  | 517 |  |  |  | (688 | ) |  |  | (5,456 | )
State |  |  | (47 | ) |  |  | (43 | ) |  |  | (268 | )
Foreign |  |  | (520 | ) |  |  | (172 | ) |  |  | (31 | )
Total deferred |  |  | (50 | ) |  |  | (903 | ) |  |  | (5,755 | )
Total income tax provision |  | $ | 13,576 |  |  | $ | 12,536 |  |  | $ | 9,021 |
Schedule of Effective Income Tax Rate Reconciliation |
|  | For the years ended August 31, |
($ in thousands) |  | 2018 |  |  | 2017 |  |  |  |  | 2016 |
|  | Amount |  |  | % |  |  | Amount |  |  |  |  | % |  |  |  |  | Amount |  |  |  |  | % |
U.S. statutory rate |  | $ | 8,700 |  |  |  | 25.7 |  |  | $ | 12,500 |  |  |  |  |  | 35.0 |  |  |  |  | $ | 10,251 |  |  |  |  |  | 35.0 |
State and local taxes, net of federal tax benefit |  |  | 743 |  |  |  | 2.2 |  |  |  | 480 |  |  |  |  |  | 1.3 |  |  |  |  |  | 350 |  |  |  |  |  | 1.2 |
Foreign tax rate differences |  |  | 809 |  |  |  | 2.4 |  |  |  | (486 | ) |  |  |  |  | (1.4 | ) |  |  |  |  | (195 | ) |  |  |  |  | (0.7 | )
U.S. tax reform |  |  | 2,496 |  |  |  | 7.4 |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |
Deferred tax asset valuation allowance |  |  | 758 |  |  |  | 2.2 |  |  |  | (21 | ) |  |  |  |  | — |  |  |  |  |  | (124 | ) |  |  |  |  | (0.4 | )
Domestic production activities deduction |  |  | (727 | ) |  |  | (2.1 | ) |  |  | (700 | ) |  |  |  |  | (2.0 | ) |  |  |  |  | (960 | ) |  |  |  |  | (3.3 | )
Other |  |  | 797 |  |  |  | 2.3 |  |  |  | 763 |  |  |  |  |  | 2.2 |  |  |  |  |  | (301 | ) |  |  |  |  | (1.0 | )
Effective rate |  | $ | 13,576 |  |  |  | 40.1 |  |  | $ | 12,536 |  |  |  |  |  | 35.1 |  |  |  |  | $ | 9,021 |  |  |  |  |  | 30.8 |
Schedule of Deferred Tax Assets and Liabilities |
|  | August 31, |
($ in thousands) |  | 2018 |  |  | 2017 |
Deferred tax assets: |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 947 |  |  | $ | 2,084 |
Accrued expenses |  |  | 8,142 |  |  |  | 12,459 |
Warranty |  |  | 1,648 |  |  |  | 2,957 |
Defined benefit pension plan |  |  | 1,528 |  |  |  | 2,666 |
Inventory |  |  | 1,935 |  |  |  | 1,923 |
Share-based compensation |  |  | 925 |  |  |  | 1,578 |
Vacation |  |  | 797 |  |  |  | 1,422 |
Net operating loss and capital loss carry forwards |  |  | 2,868 |  |  |  | 1,420 |
Deferred revenue |  |  | 536 |  |  |  | 793 |
Other |  |  | 665 |  |  |  | 964 |
Gross deferred tax assets |  |  | 19,991 |  |  |  | 28,266 |
Valuation allowance |  |  | (3,562 | ) |  |  | (2,804 | )
Net deferred tax assets |  | $ | 16,429 |  |  | $ | 25,462 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Intangible assets |  | $ | (6,648 | ) |  | $ | (15,422 | )
Property, plant, and equipment |  |  | (4,219 | ) |  |  | (5,920 | )
Total deferred tax liabilities |  | $ | (10,867 | ) |  | $ | (21,342 | )
Net deferred tax assets |  | $ | 5,562 |  |  | $ | 4,120 |
Schedule of Unrecognized Tax Benefits Roll Forward |
|  | August 31, |
($ in thousands) |  | 2018 |  |  | 2017 |
Unrecognized tax benefits at September 1 |  | $ | 1,498 |  |  | $ | 1,260 |
Increases for positions taken in current year |  |  | 117 |  |  |  | 371 |
Increases for positions taken in prior years |  |  | 43 |  |  |  | 129 |
Decreases for positions taken in prior years |  |  | (21 | ) |  |  | — |
Reduction resulting from lapse of applicable statute of limitations |  |  | (38 | ) |  |  | (224 | )
Decreases for settlements with tax authorities |  |  | (200 | ) |  |  | (38 | )
Unrecognized tax benefits at August 31 |  | $ | 1,399 |  |  | $ | 1,498 |

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