Condensed Consolidated Statements of Comprehensive Earnings (USD $) In Thousands, unless otherwise specified	3 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Comprehensive earnings
Net earnings	$ 23,383	$ 27,368
Other comprehensive earnings:
Foreign currency translation adjustments	4,474	4,451
Taxes on changes in foreign currency translation adjustments	433	612
Foreign currency translation adjustments, net of tax	4,907	5,063
Reclassification of net realized losses on derivatives to earnings	25	43
Taxes on changes in derivative transactions	(9)	(17)
Derivative adjustments, net of tax	16	26
Minimum retirement benefit liability adjustments (Note 17):
Amortization of prior service benefit	(22)	(23)
Amortization of net loss	194	451
Foreign currency exchange rate changes on minimum retirement benefit liabilities	(96)	(57)
Taxes on changes in minimum retirement benefit liability adjustments	(27)	(134)
Minimum retirement benefit liability adjustments, net of tax	49	237
Total comprehensive earnings	$ 28,355	$ 32,694

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