Derivative Instruments - Net Realized and Unrealized Gains and Losses Recorded in "Other, net" (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Derivative Instruments, Gain (Loss) [Line Items]
Other, net	$ 4,166	$ 7,722	$ 5,459
Coffee
Derivative Instruments, Gain (Loss) [Line Items]
Net realized and unrealized losses from coffee-related derivatives not designated as accounting hedges	(2,252)	(469)	(1,812)
Net realized and unrealized gains from investments	0	7	286
Net (losses) gains on derivatives and investments	(2,252)	(462)	(1,526)
Non-operating pension and other postretirement benefit plans cost	6,315	6,651	6,660
Other gains, net	103	1,533	325
Other, net	$ 4,166	$ 7,722	$ 5,459