Fair Value Measurement (Details) - USD ($) $ in Thousands	Aug. 01, 2020	May 02, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Available-for-sale securities:	$ 1,230	$ 1,230
Certificates of deposit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Available-for-sale securities:	1,230	1,230
Reported Value Measurement [Member] | Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash and cash equivalents	44,609	40,398
Restricted cash	96	14
Derivatives - asset position	36	261
Derivatives - liability position	(242)	(17)
Acquisition-related contingent consideration	(401)	(761)
Assets (Liabilities), net	45,328	41,125
Reported Value Measurement [Member] | Recurring Basis | Certificates of deposit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Available-for-sale securities:	1,230	1,230
Estimate of Fair Value Measurement [Member] | Recurring Basis | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash and cash equivalents	44,609	40,398
Restricted cash	96	14
Derivatives - asset position	0	0
Derivatives - liability position	0	0
Acquisition-related contingent consideration	0	0
Assets (Liabilities), net	44,705	40,412
Estimate of Fair Value Measurement [Member] | Recurring Basis | Level 1 | Certificates of deposit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Available-for-sale securities:	0	0
Estimate of Fair Value Measurement [Member] | Recurring Basis | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash and cash equivalents	0	0
Restricted cash	0	0
Derivatives - asset position	36	261
Derivatives - liability position	(242)	(17)
Acquisition-related contingent consideration	0	0
Assets (Liabilities), net	1,024	1,474
Estimate of Fair Value Measurement [Member] | Recurring Basis | Level 2 | Certificates of deposit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Available-for-sale securities:	1,230	1,230
Estimate of Fair Value Measurement [Member] | Recurring Basis | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash and cash equivalents	0	0
Restricted cash	0	0
Derivatives - asset position	0	0
Derivatives - liability position	0	0
Acquisition-related contingent consideration	(401)	(761)
Assets (Liabilities), net	(401)	(761)
Estimate of Fair Value Measurement [Member] | Recurring Basis | Level 3 | Certificates of deposit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Available-for-sale securities:	$ 0	$ 0