Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 29, 2022	Oct. 30, 2021	Oct. 29, 2022	Oct. 30, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 187,439	$ 164,477	$ 359,359	$ 309,209
Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	90,657	76,434	177,784	149,173
Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	96,782	88,043	181,575	160,036
Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	83,821	75,533	156,255	137,218
Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	88,245	74,736	174,384	146,339
Service and other
Disaggregation of Revenue [Line Items]
Net sales	15,373	14,208	28,720	25,652
Commercial
Disaggregation of Revenue [Line Items]
Net sales	37,047	34,463	77,165	67,244
Commercial \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	28,078	26,362	60,635	52,741
Commercial \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	8,969	8,101	16,530	14,503
Commercial \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	5,582	4,559	10,269	8,146
Commercial \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	26,768	25,977	58,544	51,884
Commercial \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	4,697	3,927	8,352	7,214
Live Events
Disaggregation of Revenue [Line Items]
Net sales	69,239	59,396	125,622	111,783
Live Events \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	11,682	11,508	20,904	18,337
Live Events \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	57,557	47,888	104,718	93,446
Live Events \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	52,862	43,528	95,030	85,036
Live Events \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	9,675	8,825	18,155	14,667
Live Events \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	6,702	7,043	12,437	12,080
High School Park and Recreation
Disaggregation of Revenue [Line Items]
Net sales	42,006	32,747	77,815	60,641
High School Park and Recreation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	31,129	23,115	58,219	45,056
High School Park and Recreation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	10,877	9,632	19,596	15,585
High School Park and Recreation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	7,856	6,908	14,448	11,074
High School Park and Recreation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	32,975	24,916	61,258	47,873
High School Park and Recreation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	1,175	923	2,109	1,694
Transportation
Disaggregation of Revenue [Line Items]
Net sales	16,679	14,053	36,219	26,611
Transportation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	4,749	4,634	11,131	10,205
Transportation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	11,930	9,419	25,088	16,406
Transportation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	11,398	8,976	23,884	15,517
Transportation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	4,542	4,552	10,641	9,904
Transportation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	739	525	1,694	1,190
International
Disaggregation of Revenue [Line Items]
Net sales	22,468	23,818	42,538	42,930
International \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	15,019	10,815	26,895	22,834
International \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	7,449	13,003	15,643	20,096
International \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	6,123	11,562	12,624	17,445
International \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	14,285	10,466	25,786	22,011
International \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	$ 2,060	$ 1,790	$ 4,128	$ 3,474