Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment
Property, plant and equipment gross	$ 397,711		$ 397,711		$ 379,869
Accumulated depreciation	(222,679)		(222,679)		(209,498)
Land	16,218		16,218		16,218
Property, plant and equipment, net	191,250		191,250		186,589
Coffee Brewing Equipment
Property, Plant and Equipment
Property, plant and equipment gross	8,900		8,900			$ 8,100
Depreciation	2,300	$ 2,100	6,700	$ 6,500
Building and Facilities
Property, Plant and Equipment
Property, plant and equipment gross	108,697		108,697		108,590
Machinery and Equipment
Property, Plant and Equipment
Property, plant and equipment gross	247,073		247,073		231,581
Equipment under Capital Leases | Northlake, Texas
Property, Plant and Equipment
Property, plant and equipment gross	1,369		1,369		1,408
Capitalized Software Costs | Northlake, Texas
Property, Plant and Equipment
Property, plant and equipment gross	26,733		26,733		24,569
Office furniture and equipment
Property, Plant and Equipment
Property, plant and equipment gross	$ 13,839		$ 13,839		$ 13,721