Derivative Instruments - Net Realized and Unrealized Gains and Losses Recorded in "Other, net" (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Other, net	$ 10,443	$ 4,166	$ 7,722
Coffee
Derivative Instruments, Gain (Loss) [Line Items]
Net realized and unrealized losses from coffee-related derivatives not designated as accounting hedges	(1,362)	(2,252)	(469)
Net realized and unrealized gains from investments	0	0	7
Net (losses) gains on derivatives and investments	(1,362)	(2,252)	(462)
Non-operating pension and other postretirement benefit plans cost	11,651	6,315	6,651
Other gains, net	154	103	1,533
Other, net	$ 10,443	$ 4,166	$ 7,722