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Condensed Consolidated Statements of Comprehensive Earnings (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2012 | Mar. 31, 2011 | Mar. 31, 2012 | Mar. 31, 2011
Comprehensive earnings |  |  |  |
Net earnings | $ 38,751 | $ 32,090 | $ 67,168 | $ 54,489
Other comprehensive earnings: |  |  |  |
Foreign currency translation adjustments | 7,928 | 11,009 | (453) | 8,629
Tax changes on foreign currency translation adjustments | 2,348 | (1,054) | 3,293 | (916)
Foreign currency translation adjustments, net of tax | 10,276 | 9,955 | 2,840 | 7,713
Reclassification of realized losses on derivatives to earnings | 43 | 56 | 88 | 115
Tax changes on derivative transactions | (17) | (21) | (34) | (43)
Derivative adjustments, net of tax | 26 | 35 | 54 | 72
Minimum retirement benefit liability adjustments: |  |  |  |
Foreign currency exchange rate changes | 51 | (150) | 82 | (178)
Total comprehensive earnings | $ 49,104 | $ 41,930 | $ 70,144 | $ 62,096

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