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Property, Plant and Equipment (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Nov. 08, 2016
May 27, 2017
May 28, 2016
May 27, 2017
May 28, 2016
Property, Plant and Equipment [Line Items]          
Payments to acquire property   $ 2,802 $ 3,571 $ 9,740 $ 19,928
Grand Design [Member]          
Property, Plant and Equipment [Line Items]          
Payments to acquire property $ 9,000