Property and Equipment - Components of Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	May 26, 2019	May 27, 2018
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 279,806	$ 228,510
Less accumulated depreciation and amortization	(79,779)	(68,886)
Net property and equipment	200,027	159,624
Land and buildings
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 108,428	90,712
Land and buildings | Minimum
Property, Plant and Equipment [Line Items]
Years of Useful Life	15 years
Land and buildings | Maximum
Property, Plant and Equipment [Line Items]
Years of Useful Life	40 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 6,974	2,607
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Years of Useful Life	3 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Years of Useful Life	20 years
Computers, capitalized software, machinery, equipment and autos
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 127,370	120,418
Computers, capitalized software, machinery, equipment and autos | Minimum
Property, Plant and Equipment [Line Items]
Years of Useful Life	3 years
Computers, capitalized software, machinery, equipment and autos | Maximum
Property, Plant and Equipment [Line Items]
Years of Useful Life	20 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 2,828	1,673
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Years of Useful Life	3 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Years of Useful Life	7 years
Construction in process
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 34,206	$ 13,100