Condensed Statements of Consolidated Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Net income per the condensed statements of consolidated income	$ 30,950	$ 24,085	$ 64,671	$ 51,456
Other comprehensive (loss) income, before tax:
Foreign currency translation adjustments	(6,031)	(9,930)	2,128	(12,279)
Postemployment benefits:
Reclassification of actuarial losses and prior service cost into SD&A expense and included in net periodic pension costs	(22)	125	(36)	252
Unrealized gain on investment securities available for sale	46	40	42	66
Total of other comprehensive (loss) income, before tax	(6,007)	(9,765)	2,134	(11,961)
Income tax expense related to items of other comprehensive income	57	54	46	115
Other comprehensive (loss) income, net of tax	(6,064)	(9,819)	2,088	(12,076)
Comprehensive income, net of tax	$ 24,886	$ 14,266	$ 66,759	$ 39,380