Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 27, 2024	Jan. 28, 2023	Jan. 27, 2024	Jan. 28, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 170,303	$ 184,975	$ 602,203	$ 544,334
Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	70,533	87,019	261,521	264,803
Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	99,770	97,956	340,682	279,531
Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	86,676	86,330	302,220	242,585
Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	63,800	83,955	251,888	258,339
Service and other
Disaggregation of Revenue [Line Items]
Net sales	19,827	14,690	48,095	43,410
Commercial
Disaggregation of Revenue [Line Items]
Net sales	33,292	49,967	122,628	127,132
Commercial \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	24,361	36,746	84,758	97,381
Commercial \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	8,931	13,221	37,870	29,751
Commercial \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	5,802	9,929	28,231	20,198
Commercial \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	22,157	35,864	80,822	94,408
Commercial \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	5,333	4,174	13,575	12,526
Live Events
Disaggregation of Revenue [Line Items]
Net sales	73,393	67,748	233,602	193,370
Live Events \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	11,006	10,125	37,173	31,029
Live Events \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	62,387	57,623	196,429	162,341
Live Events \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	57,229	53,437	181,272	148,467
Live Events \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	8,395	7,858	32,127	26,013
Live Events \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	7,769	6,453	20,203	18,890
High School Park and Recreation
Disaggregation of Revenue [Line Items]
Net sales	28,764	28,312	133,940	106,127
High School Park and Recreation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	20,819	22,716	94,622	80,935
High School Park and Recreation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	7,945	5,596	39,318	25,192
High School Park and Recreation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	5,021	3,380	31,679	17,828
High School Park and Recreation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	20,900	23,865	97,514	85,123
High School Park and Recreation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	2,843	1,067	4,747	3,176
Transportation
Disaggregation of Revenue [Line Items]
Net sales	19,605	17,578	61,217	53,797
Transportation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	6,874	5,571	23,733	16,702
Transportation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	12,731	12,007	37,484	37,095
Transportation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	12,116	11,446	35,747	35,330
Transportation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	5,646	5,328	22,182	15,969
Transportation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	1,843	804	3,288	2,498
International
Disaggregation of Revenue [Line Items]
Net sales	15,249	21,370	50,816	63,908
International \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	7,473	11,861	21,235	38,756
International \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	7,776	9,509	29,581	25,152
International \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	6,508	8,138	25,291	20,762
International \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	6,702	11,040	19,243	36,826
International \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	$ 2,039	$ 2,192	$ 6,282	$ 6,320