Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 28, 2023	Oct. 29, 2022	Oct. 28, 2023	Oct. 29, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 199,369	$ 187,439	$ 431,900	$ 359,359
Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	96,002	90,657	190,988	177,784
Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	103,367	96,782	240,912	181,575
Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	89,586	83,821	215,544	156,255
Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	94,571	88,245	188,088	174,384
Service and other
Disaggregation of Revenue [Line Items]
Net sales	15,212	15,373	28,268	28,720
Commercial
Disaggregation of Revenue [Line Items]
Net sales	42,453	37,047	89,336	77,165
Commercial \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	29,379	28,078	60,397	60,635
Commercial \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	13,074	8,969	28,939	16,530
Commercial \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	9,511	5,582	22,429	10,269
Commercial \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	28,752	26,768	58,665	58,544
Commercial \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	4,190	4,697	8,242	8,352
Live Events
Disaggregation of Revenue [Line Items]
Net sales	68,210	69,239	160,209	125,622
Live Events \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	15,390	11,682	26,167	20,904
Live Events \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	52,820	57,557	134,042	104,718
Live Events \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	47,496	52,862	124,043	95,030
Live Events \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	13,771	9,675	23,732	18,155
Live Events \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	6,943	6,702	12,434	12,437
High School Park and Recreation
Disaggregation of Revenue [Line Items]
Net sales	48,942	42,006	105,176	77,815
High School Park and Recreation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	34,722	31,129	73,803	58,219
High School Park and Recreation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	14,220	10,877	31,373	19,596
High School Park and Recreation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	11,539	7,856	26,658	14,448
High School Park and Recreation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	36,277	32,975	76,614	61,258
High School Park and Recreation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	1,126	1,175	1,904	2,109
Transportation
Disaggregation of Revenue [Line Items]
Net sales	20,243	16,679	41,612	36,219
Transportation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	8,592	4,749	16,859	11,131
Transportation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	11,651	11,930	24,753	25,088
Transportation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	11,047	11,398	23,631	23,884
Transportation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	8,469	4,542	16,536	10,641
Transportation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	727	739	1,445	1,694
International
Disaggregation of Revenue [Line Items]
Net sales	19,521	22,468	35,567	42,538
International \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	7,919	15,019	13,762	26,895
International \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	11,602	7,449	21,805	15,643
International \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	9,993	6,123	18,783	12,624
International \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	7,302	14,285	12,541	25,786
International \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	$ 2,226	$ 2,060	$ 4,243	$ 4,128