Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jun. 30, 2018
Business Acquisition [Line Items]
Accrued postretirement benefits	$ 810	$ 810
Accrued workers’ compensation liabilities	1,789	1,698
Short-term pension liabilities	0	3,761
Earnout payable	1,000	600
Other (including net taxes payable)	3,949	3,790
Other current liabilities	$ 7,548	10,659
West Coast Coffee, Inc.
Business Acquisition [Line Items]
Earnout payable		$ 600