Note 5 - Discontinued Operations (Details Textual) - Cooking Solutions Group [Member] - Discontinued Operations [Member] $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($)	Sep. 30, 2018
Number of Operating Segments		3
Middleby Corporation [Member]
Disposal Group, Including Discontinued Operation, Cash Purchase Price	$ 105.0
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Total	20.5
Discontinued Operation, Disposal of Discontinued Operation, Transaction Expense	4.4
Disposal Group, Including Discontinued Operation, Consideration	$ 106.9

Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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