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Condensed Consolidated Statements of Stockholders' Equity (USD $) In Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Earnings [Member] | Foreign Currency Translation Adjustments [Member] | Unrealized Derivative Gains (Losses) [Member] | Minimum Retirement Benefit Liability Adjustments [Member] | Deferred Compensation in Equity [Member] | Retained Earnings [Member] | Treasury Stock at Cost [Member] | Treasury Stock Held for Deferred Compensaton [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balances at Sep. 30, 2010 | $ 106 | $ 73,915 | $ 6,342 | $ 23,152 | $ (627) | $ (16,183) | $ 4,888 | $ 835,919 | $ (113,088) | $ (4,888) | $ 803,194
Balance, Treasury Stock, shares at Sep. 30, 2010 |  |  |  |  |  |  |  |  | (4,223) |  |
Balance, Common Stock, shares at Sep. 30, 2010 | 72,960 |  |  |  |  |  |  |  |  |  |
Balance, Treasury stock held for deferred compensation, Shares at Sep. 30, 2010 |  |  |  |  |  |  |  |  |  | (356) |
Net earnings |  |  |  |  |  |  |  | 54,489 |  |  | 54,489
Cash dividends paid |  |  |  |  |  |  |  | (8,948) |  |  | (8,948)
Purchases of treasury stock |  |  |  |  |  |  |  |  | (7,961) |  | (7,961)
Purchases of treasury stock, shares |  |  |  |  |  |  |  |  | (242) |  |
Sales of treasury stock |  | (1,763) |  |  |  |  |  |  | 4,187 |  | 2,424
Sales of treasury stock, shares |  |  |  |  |  |  |  |  | 261 |  |
Tax benefit attributable to exercise of stock options |  | 2,236 |  |  |  |  |  |  |  |  | 2,236
Stock-based compensation |  | 4,113 |  |  |  |  |  |  |  |  | 4,113
Purchases of stock by deferred compensation plan |  | 33 |  |  |  |  | 107 |  |  | (107) | 33
Purchases of stock by deferred compensation plan, shares |  |  |  |  |  |  |  |  | 2 | (2) |
Distribution of stock from deferred compensation plan |  |  |  |  |  |  | (274) |  |  | 274 |
Distribution of stock from deferred compensation plan, shares |  |  |  |  |  |  |  |  |  | 24 |
Foreign currency translation adjustments |  |  | 8,629 | 8,629 |  |  |  |  |  |  | 8,629
Reclassification of realized losses on derivatives to earnings |  |  | 115 |  | 115 |  |  |  |  |  | 115
Minimum retirement benefits liability adjustments |  |  | (274) |  |  | (274) |  |  |  |  | (274)
Taxes on changes in accumulated other comprehensive earnings |  |  | (863) | (916) | (43) | 96 |  |  |  |  | (863)
Balances at Mar. 31, 2011 | 106 | 78,534 | 13,949 | 30,865 | (555) | (16,361) | 4,721 | 881,460 | (116,862) | (4,721) | 857,187
Balance, Treasury Stock, shares at Mar. 31, 2011 |  |  |  |  |  |  |  |  | (4,202) |  |
Balance, Common Stock, shares at Mar. 31, 2011 | 72,960 |  |  |  |  |  |  |  |  |  |
Balance, Preferred Stock, shares at Mar. 31, 2011 |  |  |  |  |  |  |  |  |  |  | 0
Balance, Treasury stock held for deferred compensation, Shares at Mar. 31, 2011 |  |  |  |  |  |  |  |  |  | (334) |
Balances at Sep. 30, 2011 | 106 | 81,453 | 3,626 | 22,103 | (484) | (17,993) | 4,581 | 949,573 | (115,661) | (4,581) | 919,097
Balance, Treasury Stock, shares at Sep. 30, 2011 |  |  |  |  |  |  |  |  | (4,070) |  | (4,070)
Balance, Common Stock, shares at Sep. 30, 2011 | 72,960 |  |  |  |  |  |  |  |  |  | 72,960
Balance, Preferred Stock, shares at Sep. 30, 2011 |  |  |  |  |  |  |  |  |  |  | 0
Balance, Treasury stock held for deferred compensation, Shares at Sep. 30, 2011 |  |  |  |  |  |  |  |  |  | (315) | (315)
Net earnings |  |  |  |  |  |  |  | 67,168 |  |  | 67,168
Cash dividends paid |  |  |  |  |  |  |  | (10,343) |  |  | (10,343)
Purchases of treasury stock |  |  |  |  |  |  |  |  | (14,312) |  | (14,312)
Purchases of treasury stock, shares |  |  |  |  |  |  |  |  | (345) |  |
Sales of treasury stock |  | (1,324) |  |  |  |  |  |  | 6,334 |  | 5,010
Sales of treasury stock, shares |  |  |  |  |  |  |  |  | 390 |  |
Common shares issued from treasury stock for benefit plans |  | 5,238 |  |  |  |  |  |  | 4,097 |  | 9,335
Common shares issued from treasury stock for benefit plans, shares |  |  |  |  |  |  |  |  | 209 |  | 209
Tax benefit attributable to exercise of stock options |  | 3,680 |  |  |  |  |  |  |  |  | 3,680
Stock-based compensation |  | 5,291 |  |  |  |  |  |  |  |  | 5,291
Purchases of stock by deferred compensation plan |  | 59 |  |  |  |  | 157 |  | 49 | (157) | 108
Purchases of stock by deferred compensation plan, shares |  |  |  |  |  |  |  |  | 3 | (4) |
Distribution of stock from deferred compensation plan |  |  |  |  |  |  | (271) |  |  | 271 |
Distribution of stock from deferred compensation plan, shares |  |  |  |  |  |  |  |  |  | 26 |
Foreign currency translation adjustments |  |  | (453) | (453) |  |  |  |  |  |  | (453)
Reclassification of realized losses on derivatives to earnings |  |  | 88 |  | 88 |  |  |  |  |  | 88
Minimum retirement benefits liability adjustments |  |  | 127 |  |  | 127 |  |  |  |  | 127
Taxes on changes in accumulated other comprehensive earnings |  |  | 3,214 | 3,293 | (34) | (45) |  |  |  |  | 3,214
Balances at Mar. 31, 2012 | $ 106 | $ 94,397 | $ 6,602 | $ 24,943 | $ (430) | $ (17,911) | $ 4,467 | $ 1,006,398 | $ (119,493) | $ (4,467) | $ 988,010
Balance, Treasury Stock, shares at Mar. 31, 2012 |  |  |  |  |  |  |  |  | (3,813) |  | (3,813)
Balance, Common Stock, shares at Mar. 31, 2012 | 72,960 |  |  |  |  |  |  |  |  |  | 72,960
Balance, Preferred Stock, shares at Mar. 31, 2012 |  |  |  |  |  |  |  |  |  |  | 0
Balance, Treasury stock held for deferred compensation, Shares at Mar. 31, 2012 |  |  |  |  |  |  |  |  |  | (293) | (293)

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- Definition Pre tax adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains (losses). Includes gain (loss) on foreign currency forward exchange contracts. Includes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. Includes the gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) that has been designated and qualified as a hedging instrument for hedging of the foreign currency exposure of a net investment in a foreign operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 35 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6939497&loc=d3e30304-110892 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 24 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 19, 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b),(d) -URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e637-108580 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 52 -Paragraph 13, 20, 31 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 2 -Subparagraph (a)-(c) -URI http://asc.fasb.org/extlink&oid=6920433&loc=d3e998-108581 + Details
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