Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 27, 2024	Apr. 29, 2023	Apr. 30, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 818,083	$ 754,196	$ 610,970
Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	343,825	356,449	307,807
Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	474,258	397,747	303,163
Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	422,621	351,020	256,620
Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	327,453	346,509	301,050
Service and other
Disaggregation of Revenue [Line Items]
Net sales	68,009	56,667	53,300
Commercial
Disaggregation of Revenue [Line Items]
Net sales	161,626	170,590	154,211
Commercial \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	115,836	132,728	120,776
Commercial \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	45,790	37,862	33,435
Commercial \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	32,914	25,821	20,849
Commercial \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	109,458	128,346	118,308
Commercial \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	19,254	16,423	15,054
Live Events
Disaggregation of Revenue [Line Items]
Net sales	338,508	284,900	199,106
Live Events \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	48,899	43,761	37,229
Live Events \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	289,609	241,139	161,877
Live Events \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	269,184	223,560	144,095
Live Events \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	41,805	36,259	30,181
Live Events \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	27,519	25,081	24,830
High School Park and Recreation
Disaggregation of Revenue [Line Items]
Net sales	170,349	141,748	111,816
High School Park and Recreation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	121,175	109,323	82,678
High School Park and Recreation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	49,174	32,425	29,138
High School Park and Recreation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	38,819	22,730	20,175
High School Park and Recreation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	124,113	114,951	88,162
High School Park and Recreation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	7,417	4,067	3,479
Transportation
Disaggregation of Revenue [Line Items]
Net sales	85,390	72,306	62,707
Transportation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	30,866	24,950	22,088
Transportation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	54,524	47,356	40,619
Transportation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	52,142	45,286	38,843
Transportation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	27,913	23,946	21,370
Transportation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	5,335	3,074	2,494
International
Disaggregation of Revenue [Line Items]
Net sales	62,210	84,652	83,130
International \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	27,049	45,687	45,036
International \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	35,161	38,965	38,094
International \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	29,562	33,623	32,658
International \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	24,164	43,007	43,029
International \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	$ 8,484	$ 8,022	$ 7,443