Organization and Significant Accounting Policies - Revenue by Category (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jan. 31, 2026	Jan. 25, 2025	Jan. 31, 2026	Jan. 25, 2025
Disaggregation of revenue
Revenue	$ 408,045,000	$ 167,636,000	$ 1,335,229,000	$ 545,577,000
Contract Liability
Disaggregation of revenue
Revenue	335,000	1,701,000	12,112,000	9,662,000
Domestic
Disaggregation of revenue
Revenue	226,110,000	104,097,000	933,848,000	258,053,000
International
Disaggregation of revenue
Revenue	181,935,000	63,539,000	401,381,000	287,524,000
U.S. government
Disaggregation of revenue
Revenue	365,816,000	129,029,000	1,158,722,000	418,345,000
Non-U.S. government
Disaggregation of revenue
Revenue	42,229,000	38,607,000	176,507,000	127,232,000
FFP
Disaggregation of revenue
Revenue	280,369,000	148,768,000	880,854,000	489,388,000
Cost Plus
Disaggregation of revenue
Revenue	95,802,000	17,372,000	346,080,000	52,413,000
T&M
Disaggregation of revenue
Revenue	31,874,000	1,496,000	108,295,000	3,776,000
Uncrewed Aircraft Systems
Disaggregation of revenue
Revenue	89,842,000	59,766,000	243,099,000	249,041,000
Precision Strike and Defense Systems
Disaggregation of revenue
Revenue	158,165,000	84,795,000	515,020,000	214,483,000
Space and Directed Energy
Disaggregation of revenue
Revenue	53,198,000		199,872,000
Cyber and Mission Solutions
Disaggregation of revenue
Revenue	76,103,000		269,715,000
Other
Disaggregation of revenue
Revenue	$ 30,737,000	$ 23,075,000	$ 107,523,000	$ 82,053,000