Condensed Consolidated Statements of Comprehensive Earnings (USD $) In Thousands, unless otherwise specified	3 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Comprehensive earnings
Net earnings	$ 27,368	$ 28,416
Other comprehensive earnings:
Foreign currency translation adjustments	4,451	(8,381)
Taxes on changes on foreign currency translation adjustments	612	945
Foreign currency translation adjustments, net of tax	5,063	(7,436)
Reclassification of realized losses on derivatives to earnings	43	45
Taxes on changes on derivative transactions	(17)	(17)
Derivative adjustments, net of tax	26	28
Minimum retirement benefit liability adjustments:
Foreign currency exchange rate changes	237	31
Total comprehensive earnings	$ 32,694	$ 21,039

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