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Fair Value Measurement - Roll Forward of the Level 3 Contingent Consideration Liability (Details) - Estimate of Fair Value Measurement [Member] - Level 3 - Recurring Basis - Contingent Consideration Liability $ in Thousands	3 Months Ended
	Aug. 03, 2019 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Acquisition-related contingency consideration as of April 27, 2019	$ 3,065
Additions	25
Settlements	(1,591)
Interest	18
Foreign currency translation	37
Acquisition-related contingency consideration as of August 3, 2019	$ 1,554

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