Note 5 - Discontinued Operations (Details Textual) $ in Thousands	3 Months Ended			9 Months Ended
	Mar. 31, 2019 USD ($)	Sep. 30, 2018	Mar. 31, 2018 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Jun. 30, 2018 USD ($)
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Total	$ 20,539			$ 20,539
Discontinued Operation, Disposal of Discontinued Operation, Transaction Expense	4,397			4,397
Disposal Group, Including Discontinued Operation, Consideration	106,863			106,863
Cooking Solutions Group [Member] | Discontinued Operations [Member]
Number of Operating Segments		3
Cooking Solutions Group [Member] | Discontinued Operations [Member] | Middleby Corporation [Member]
Disposal Group, Including Discontinued Operation, Cash Purchase Price	105,000
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Total	20,500
Discontinued Operation, Disposal of Discontinued Operation, Transaction Expense	4,400
Disposal Group, Including Discontinued Operation, Consideration	$ 106,900			$ 106,900