Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Supplemental Cash Flow Elements [Abstract]
Interest	$ 20,783	$ 23,175
Income taxes	31,523	38,208
Change in accounts payable related to property, plant, and equipment	$ (16,000)	$ 2,400