Condensed Statements of Consolidated Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Net income per the condensed statements of consolidated income	$ 27,043	$ 20,935	$ 56,575	$ 47,317
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	(594)	(8,117)	8,408	(11,159)
Postemployment benefits:
Actuarial loss on remeasurement		(492)		(492)
Reclassification of actuarial losses and prior service cost into SD&A expense and included in net periodic pension costs	218	467	436	934
Impact of reduction in postemployment benefit liability (as forecasted salary increases will not be realized) due to the plan curtailment		8,860		8,860
Reclassification of prior service cost into SD&A expense upon plan curtailment		3,117		3,117
Unrealized gain (loss) on investment securities available for sale		47	23	(175)
Total of other comprehensive income (loss), before tax	(376)	3,882	8,867	1,085
Income tax expense related to items of other comprehensive income	85	4,619	179	4,717
Other comprehensive income (loss), net of tax	(461)	(737)	8,688	(3,632)
Comprehensive income, net of tax	$ 26,582	$ 20,198	$ 65,263	$ 43,685