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Note A - Basis of Presentation and Significant Accounting Policies - Effects of Adopting ASU 2017-07 on the Condensed Statements of Operations and Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Cost of goods sold | $ 213,022 | $ 160,092
Gross profit | 89,641 | 80,641
Marketing, engineering and administrative expenses | 71,541 | 61,095
Income from operations | 18,498 | 16,148
Other income (expense), net | $ (2,107) | (1,501)
Previously Reported [Member] |  |
Cost of goods sold |  | 160,497
Gross profit |  | 80,236
Marketing, engineering and administrative expenses |  | 61,909
Income from operations |  | 14,929
Other income (expense), net |  | (282)
Restatement Adjustment [Member] | Accounting Standards Update 2017-07 [Member] |  |
Cost of goods sold |  | (405)
Gross profit |  | 405
Marketing, engineering and administrative expenses |  | (814)
Income from operations |  | 1,219
Other income (expense), net |  | $ (1,219)

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