Condensed Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Comprehensive earnings
Net earnings	$ 43,753	$ 46,001	$ 131,392	$ 114,182
Other comprehensive earnings:
Foreign currency translation adjustments	6,990	(72)	(27,955)	4,159
Taxes on changes on foreign currency translation adjustments	240	74	1,500	368
Foreign currency translation adjustments, net of tax	7,230	2	(26,455)	4,527
Reclassification of net realized losses on derivatives to earnings	25	24	74	73
Taxes on changes on derivative transactions	(10)	(9)	(28)	(27)
Derivative adjustments, net of tax	15	15	46	46
Minimum retirement benefit liability adjustments (Note 18):
Net gain (loss) arising during the period	0	1,193	0	1,193
Curtailment arising during the period	0	(915)	0	(915)
Amortization of prior service cost (benefit)	56	(22)	169	(66)
Amortization of net loss	128	199	385	588
Foreign currency exchange rate changes on minimum retirement benefit liabilities	(604)	(263)	454	(483)
Taxes on changes on minimum retirement benefit liability adjustments, net of foreign currency exchange rate changes	141	31	(368)	(14)
Minimum retirement benefit liability adjustments, net of tax	(279)	223	640	303
Total comprehensive earnings	$ 50,719	$ 46,241	$ 105,623	$ 119,058