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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | ---
Balance at Sep. 30, 2014 | $ 580,171 | $ 302 | $ 285,305 | $ 399,451 | $ (19,186) | $ (85,701)
Balance (in Shares) at Sep. 30, 2014 |  | 30,248 |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |
Net earnings | 42,512 | $ 0 | 0 | 42,512 | 0 | 0
Translation adjustments, net of tax | (6,297) | 0 | 0 | 0 | (6,297) | 0
Net unrecognized actuarial gain/loss, net of tax | (6,961) | 0 | 0 | 0 | (6,961) | 0
Forward exchange contracts, net of tax | (94) | 0 | 0 | 0 | (94) | 0
Cash dividends declared | (8,331) | 0 | 0 | (8,331) | 0 | 0
Stock options and stock compensation plans, net of tax | 1,430 | $ 2 | 1,180 | 0 | 0 | 248
Stock options and stock compensation plans, net of tax (in Shares) |  | 111 |  |  |  |
Purchases into treasury | (18,248) | $ 0 | 0 | 0 | 0 | (18,248)
Ending Balance at Sep. 30, 2015 | 584,182 | $ 304 | 286,485 | 433,632 | (32,538) | (103,701)
Ending Balance (in Shares) at Sep. 30, 2015 |  | 30,359 |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |
Net earnings | 45,882 | $ 0 | 0 | 45,882 | 0 | 0
Translation adjustments, net of tax | (1,462) | 0 | 0 | 0 | (1,462) | 0
Net unrecognized actuarial gain/loss, net of tax | (5,250) | 0 | 0 | 0 | (5,250) | 0
Forward exchange contracts, net of tax | (33) | 0 | 0 | 0 | (33) | 0
Cash dividends declared | (8,242) | 0 | 0 | (8,242) | 0 | 0
Stock options and stock compensation plans, net of tax | 4,335 | $ 0 | 4,103 | 0 | 0 | 232
Stock options and stock compensation plans, net of tax (in Shares) |  | 5 |  |  |  |
Purchases into treasury | (4,303) | $ 0 | 0 | 0 | 0 | (4,303)
Ending Balance at Sep. 30, 2016 | 615,109 | $ 304 | 290,588 | 471,272 | (39,283) | (107,772)
Ending Balance (in Shares) at Sep. 30, 2016 |  | 30,364 |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |
Net earnings | 53,703 | $ 0 | 0 | 53,703 | 0 | 0
Translation adjustments, net of tax | 6,383 | 0 | 0 | 0 | 6,383 | 0
Net unrecognized actuarial gain/loss, net of tax | 5,573 | 0 | 0 | 0 | 5,573 | 0
Forward exchange contracts, net of tax | 19 | 0 | 0 | 0 | 19 | 0
Cash dividends declared | (8,257) | 0 | 0 | (8,257) | 0 | 0
Stock options and stock compensation plans, net of tax | (612) | $ 1 | (803) | 0 | 0 | 190
Stock options and stock compensation plans, net of tax (in Shares) |  | 105 |  |  |  |
Ending Balance at Sep. 30, 2017 | $ 671,918 | $ 305 | $ 289,785 | $ 516,718 | $ (27,308) | $ (107,582)
Ending Balance (in Shares) at Sep. 30, 2017 |  | 30,469 |  |  |  |

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