Acquisition of Wellness Foods - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	May 27, 2017	Dec. 21, 2016	Aug. 27, 2016
Liabilities assumed:
Goodwill	$ 55,190		$ 40,724
Wellness Foods, Inc.
Assets acquired:
Accounts receivable, net		$ 1,122
Prepaid expenses and other current assets		48
Inventories, net		1,388
Property and equipment, net		13
Intangible assets		4,560
Income taxes receivable		305
Liabilities assumed:
Accounts payable		765
Accrued expenses and other current liabilities		97
Other taxes payable (VAT)		2
Total identifiable net assets		6,572
Goodwill		14,467
Total purchase price		$ 21,039