CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Oct. 27, 2018	Oct. 28, 2017	Oct. 27, 2018	Oct. 28, 2017
CONSOLIDATED STATEMENTS OF INCOME
Revenue from Related Parties	$ 12,832	$ 7,071	$ 24,395	$ 9,622
Tax expense	$ (114)	$ 0	$ 2,463	$ 0

Amount of tax (expense) benefit on (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a discontinued operation.

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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration