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v3.21.2

Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
Net sales | $ 715,440 | $ 730,471 | $ 726,044
Contract assets, net | 93,771 | 94,302 |
Inventories, net | 147,148 | 135,296 |
Cost of sales | 445,045 | 458,311 | 437,998
Income tax expense | 17,175 | 13,510 | 20,388
Deferred tax liabilities | 73,560 | 60,715 |
Accrued other expenses | 52,513 | 49,891 |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (2,161) | (3,657) |
Net earnings | 63,496 | 99,411 | 81,039
Effect of deferred taxes on tax provision | (3,041) | (2,785) | 61
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax | (2,200) |  |
Research and Development Expense | 15,400 | 13,300 | 12,100
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  | 5,167
Retained Earnings |  |  |
Net earnings | $ 63,496 | 99,411 | 81,039
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  | 5,167
Maximum |  |  |
Property, Plant and Equipment, Useful Life | 7 years |  |
Maximum | Building [Member] |  |  |
Property, Plant and Equipment, Useful Life | 40 years |  |
Maximum | Machinery and Equipment [Member] |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Maximum | Office Furniture And Equipment [Member] |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Minimum |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
Minimum | Building [Member] |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Minimum | Machinery and Equipment [Member] |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
Minimum | Office Furniture And Equipment [Member] |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
A&D Segment | AS Adjusted |  |  |
Net sales | $ 2,400 |  |
Inventories, net | 900 |  |
Income tax expense | 800 |  |
Deferred tax liabilities | 200 |  |
Accrued other expenses | 600 |  |
Net earnings | $ 2,500 |  |
Basic and diluted earnings per share | $ 0.10 |  |
Effect of deferred taxes on tax provision |  | 2,600 |
USG Segment |  |  |
Percentage of segment revenues recognized when services are performed or when products are delivered | 75.00% |  |
Percentage of consolidated revenues recognized when services are performed or when products are delivered | 21.00% |  |
Percentage Of Segment Revenues Recognized On Straight Line Basis | 25.00% |  |
Percentage Of Consolidated Revenues Recognized On Straight Line Basis | 7.00% |  |
Test Segment |  |  |
Percentage of segment revenues recognized when services are performed or when products are delivered | 20.00% |  |
Percentage of consolidated revenues recognized when services are performed or when products are delivered | 6.00% |  |
Percentage of segment revenues recorded under percentage of completion method | 80.00% |  |
Percentage of consolidated revenues recorded under percentage of completion method | 22.00% |  |
Software Contract [Member] |  |  |
Percentage of segment revenues recognized when services are performed or when products are delivered | 8.00% |  |
Percentage of consolidated revenues recognized when services are performed or when products are delivered | 2.00% |  |
Aero space Defense [Member] |  |  |
Percentage of segment revenues recognized when services are performed or when products are delivered | 43.00% |  |
Percentage of consolidated revenues recognized when services are performed or when products are delivered | 19.00% |  |
Percentage of segment revenues recorded over time | 57.00% |  |
Percentage of consolidate revenues recorded over time | 25.00% |  |
A&D |  |  |
Net sales | $ 314,824 | $ 351,876 | $ 325,700

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