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Consolidated Statements of Shareholders' Equity (USD $) In Thousands, unless otherwise specified | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Sep. 30, 2010 | $ 555,982 | $ 298 | $ 270,943 | $ 359,274 | $ (14,793) | $ (59,740)
Beginning balance (share) at Sep. 30, 2010 |  | 29,839 |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |
Net (loss) earnings | 52,501 | 0 | 0 | 52,501 | 0 | 0
Translation adjustments | (333) | 0 | 0 | 0 | (333) | 0
Net unrecognized actuarial loss | (4,354) | 0 | 0 | 0 | (4,354) | 0
Interest rate swap | 289 | 0 | 0 | 0 | 289 | 0
Cash dividends declared | (8,534) | 0 | 0 | (8,534) | 0 | 0
Stock options and stock compensation plans, net of tax benefit | 5,159 | 2 | 4,864 | 0 | 0 | 293
Stock options and stock compensation plans, net of tax benefit (share) |  | 118 |  |  |  |
Ending Balance at Sep. 30, 2011 | 600,710 | 300 | 275,807 | 403,241 | (19,191) | (59,447)
Ending Balance (share) at Sep. 30, 2011 |  | 29,957 |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |
Net (loss) earnings | 46,879 | 0 | 0 | 46,879 | 0 | 0
Translation adjustments | (2,018) | 0 | 0 | 0 | (2,018) | 0
Net unrecognized actuarial loss | (4,171) | 0 | 0 | 0 | (4,171) | 0
Interest rate swap | 2 | 0 | 0 | 0 | 2 | 0
Cash dividends declared | (8,554) | 0 | 0 | (8,554) | 0 | 0
Stock options and stock compensation plans, net of tax benefit | 3,868 | 0 | 3,585 | 0 | 0 | 283
Stock options and stock compensation plans, net of tax benefit (share) |  | 87 |  |  |  |
Purchases into treasury | (5,403) | 0 | 0 | 0 | 0 | (5,403)
Ending Balance at Sep. 30, 2012 | 631,313 | 300 | 279,392 | 441,566 | (25,378) | (64,567)
Ending Balance (share) at Sep. 30, 2012 |  | 30,044 |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |
Net (loss) earnings | (25,603) | 0 | 0 | (25,603) | 0 | 0
Translation adjustments | 644 | 0 | 0 | 0 | 644 | 0
Net unrecognized actuarial loss | 8,078 | 0 | 0 | 0 | 8,078 | 0
Interest rate swap | 0 |  |  |  |  |
Cash dividends declared | (8,451) | 0 | 0 | (8,451) | 0 | 0
Stock options and stock compensation plans, net of tax benefit | 5,436 | 1 | 5,173 | 0 | 0 | 262
Stock options and stock compensation plans, net of tax benefit (share) |  | 104 |  |  |  |
Purchases into treasury | (9,703) | 0 | 0 | 0 | 0 | (9,703)
Ending Balance at Sep. 30, 2013 | $ 601,714 | $ 301 | $ 284,565 | $ 407,512 | $ (16,656) | $ (74,008)
Ending Balance (share) at Sep. 30, 2013 |  | 30,148 |  |  |  |

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