Discontinued Operations (Balance Sheet) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Sep. 30, 2017
Assets
Cash and cash equivalents	$ 4,028		$ 8,117
Hain Pure Protein [Member] | Held for Sale [Member]
Assets
Cash and cash equivalents	4,028	$ 6,461
Accounts receivable, less allowance for doubtful accounts	24,632	21,616
Inventories	105,584	105,359
Prepaid expenses and other current assets	4,879	5,604
Property, plant and equipment, net	85,284	83,776
Goodwill	41,089	41,089
Trademarks and other intangible assets, net	51,029	51,029
Other assets	4,706	4,381
Impairments of long-lived assets held for sale	81,422	78,464
Current assets of discontinued operations	239,809	240,851
Liabilities
Accounts payable	32,926	31,762
Accrued expenses and other current liabilities	7,452	6,880
Deferred tax liabilities	5,943	11,111
Other noncurrent liabilities	86	93
Current liabilities of discontinued operations	46,407	49,846
Reserve to adjust carrying value	$ 2,958	$ 78,464