Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 25, 2025	Jan. 27, 2024	Jan. 25, 2025	Jan. 27, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 149,507	$ 170,303	$ 583,926	$ 602,203
Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	74,317	70,533	269,818	261,521
Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	75,190	99,770	314,108	340,682
Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	61,987	86,676	278,868	302,220
Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	67,641	63,800	246,167	251,888
Service and other
Disaggregation of Revenue [Line Items]
Net sales	19,879	19,827	58,891	48,095
Commercial
Disaggregation of Revenue [Line Items]
Net sales	37,976	33,292	115,614	122,628
Commercial \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	27,229	24,361	87,470	84,758
Commercial \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	10,747	8,931	28,144	37,870
Commercial \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	7,361	5,802	19,129	28,231
Commercial \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	24,997	22,157	79,135	80,822
Commercial \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	5,618	5,333	17,350	13,575
Live Events
Disaggregation of Revenue [Line Items]
Net sales	46,072	73,393	231,887	233,602
Live Events \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	11,184	11,006	37,101	37,173
Live Events \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	34,888	62,387	194,786	196,429
Live Events \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	29,934	57,229	181,541	181,272
Live Events \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	8,227	8,395	28,161	32,127
Live Events \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	7,911	7,769	22,185	20,203
High School Park and Recreation
Disaggregation of Revenue [Line Items]
Net sales	29,367	28,764	125,444	133,940
High School Park and Recreation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	20,384	20,819	92,286	94,622
High School Park and Recreation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	8,983	7,945	33,158	39,318
High School Park and Recreation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	5,970	5,021	24,888	31,679
High School Park and Recreation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	20,534	20,900	91,928	97,514
High School Park and Recreation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	2,863	2,843	8,628	4,747
Transportation
Disaggregation of Revenue [Line Items]
Net sales	18,789	19,605	62,757	61,217
Transportation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	6,921	6,874	22,302	23,733
Transportation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	11,868	12,731	40,455	37,484
Transportation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	11,228	12,116	38,810	35,747
Transportation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	5,974	5,646	19,507	22,182
Transportation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	1,587	1,843	4,440	3,288
International
Disaggregation of Revenue [Line Items]
Net sales	17,303	15,249	48,224	50,816
International \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	8,599	7,473	30,659	21,235
International \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	8,704	7,776	17,565	29,581
International \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	7,494	6,508	14,500	25,291
International \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	7,909	6,702	27,436	19,243
International \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	$ 1,900	$ 2,039	$ 6,288	$ 6,282