Accumulated Other Comprehensive Income - Reclassifications from Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Reclassification Adjustment from Accumulated Other Comprehensive Income
Non-operating income (expense), net	$ 311	$ (2,078)	$ 2,434	$ (1,360)
Provision (Benefit) for Income Taxes	2,992	(2,906)	919	(11,585)
Net Income	(4,529)	9,451	19	31,874
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment from Accumulated Other Comprehensive Income
Net Income	83	61	247	193
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Including Portion Attributable to Noncontrolling Interest
Reclassification Adjustment from Accumulated Other Comprehensive Income
Non-operating income (expense), net	112	82	333	260
Provision (Benefit) for Income Taxes	$ (29)	$ (21)	$ (86)	$ (67)