Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 26, 2024	Oct. 28, 2023	Oct. 26, 2024	Oct. 28, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 208,331	$ 199,369	$ 434,419	$ 431,900
Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	103,157	96,002	195,501	190,988
Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	105,174	103,367	238,918	240,912
Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	92,517	89,586	216,881	215,544
Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	94,103	94,571	178,526	188,088
Service and other
Disaggregation of Revenue [Line Items]
Net sales	21,711	15,212	39,012	28,268
Commercial
Disaggregation of Revenue [Line Items]
Net sales	43,439	42,453	77,638	89,336
Commercial \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	30,728	29,379	60,241	60,397
Commercial \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	12,711	13,074	17,397	28,939
Commercial \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	9,506	9,511	11,768	22,429
Commercial \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	27,838	28,752	54,138	58,665
Commercial \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	6,095	4,190	11,732	8,242
Live Events
Disaggregation of Revenue [Line Items]
Net sales	77,207	68,210	185,815	160,209
Live Events \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	15,167	15,390	25,917	26,167
Live Events \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	62,040	52,820	159,898	134,042
Live Events \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	57,289	47,496	151,607	124,043
Live Events \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	11,640	13,771	19,934	23,732
Live Events \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	8,278	6,943	14,274	12,434
High School Park and Recreation
Disaggregation of Revenue [Line Items]
Net sales	48,071	48,942	96,077	105,176
High School Park and Recreation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	36,523	34,722	71,902	73,803
High School Park and Recreation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	11,548	14,220	24,175	31,373
High School Park and Recreation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	8,284	11,539	18,918	26,658
High School Park and Recreation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	36,246	36,277	71,394	76,614
High School Park and Recreation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	3,541	1,126	5,765	1,904
Transportation
Disaggregation of Revenue [Line Items]
Net sales	21,478	20,243	43,968	41,612
Transportation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	7,820	8,592	15,381	16,859
Transportation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	13,658	11,651	28,587	24,753
Transportation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	13,046	11,047	27,582	23,631
Transportation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	6,924	8,469	13,533	16,536
Transportation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	1,508	727	2,853	1,445
International
Disaggregation of Revenue [Line Items]
Net sales	18,136	19,521	30,921	35,567
International \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	12,919	7,919	22,060	13,762
International \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	5,217	11,602	8,861	21,805
International \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	4,392	9,993	7,006	18,783
International \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	11,455	7,302	19,527	12,541
International \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	$ 2,289	$ 2,226	$ 4,388	$ 4,243