Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended									12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Property, Plant and Equipment
Depreciation expense and amortization										$ 31,100	$ 30,500	$ 23,000
Property, plant and equipment gross	$ 399,093		$ 379,869							399,093	379,869
Accumulated depreciation	(225,826)		(209,498)							(225,826)	(209,498)
Land	16,191		16,218							16,191	16,218
Property, plant and equipment, net	189,458		186,589							189,458	186,589
Maintenance costs						$ 8,000				10,300	9,600
Cost of goods sold	104,327	$ 106,779	96,806	$ 106,529	$ 99,205		$ 105,629	$ 111,089	$ 85,630	416,840	399,155	$ 354,649
Payments made to date										24,900
Building and Facilities
Property, Plant and Equipment
Property, plant and equipment gross	107,915		108,590							107,915	108,590
Machinery and Equipment
Property, Plant and Equipment
Property, plant and equipment gross	248,539		231,581							248,539	231,581
Coffee Brewing Equipment
Property, Plant and Equipment
Property, plant and equipment gross	14,900		12,100							14,900	12,100
Depreciation						$ 9,100				9,100	8,600
Equipment under Capital Leases
Property, Plant and Equipment
Property, plant and equipment gross	938		1,408							938	1,408
Capitalized Software Costs
Property, Plant and Equipment
Property, plant and equipment gross	27,666		24,569							27,666	24,569
Office Furniture and Equipment
Property, Plant and Equipment
Property, plant and equipment gross	$ 14,035		$ 13,721							$ 14,035	$ 13,721
Northlake Facility [Member]
Property, Plant and Equipment
Other Construction Costs (Deprecated 2018-01-31)											42.5
Construction [Member] | Northlake Facility [Member]
Property, Plant and Equipment
Cost of goods sold											$ 60,800