Business Acquisitions - Purchase price allocation (Details) - USD ($) $ in Thousands	Jan. 31, 2026	May 01, 2025	Apr. 30, 2025
Fair value of assets acquired:
Accounts receivable, allowance for credit losses (in dollars)	$ 2,213		$ 203
Goodwill	$ 2,461,714		$ 256,781
BlueHalo
Fair value of assets acquired:
Accounts receivable, net of allowance for credit losses of $420 at May 1, 2025		$ 80,752
Accounts receivable, allowance for credit losses (in dollars)		420
Unbilled receivables and retentions		96,455
Inventories, net		88,167
Income taxes receivable		3,941
Prepaid expenses and other current assets		13,628
Long-term investments		151
Property and equipment		89,327
Operating lease assets		70,879
Intangibles		1,029,800
Goodwill		2,356,239
Other assets		1,086
Total identifiable assets		3,830,425
Fair value of liabilities assumed:
Accounts payable		56,930
Wages and related accruals		43,031
Customer advances		42,700
Current operating lease liabilities		6,707
Other current liabilities		11,971
Non-current operating lease liabilities		64,720
Deferred income taxes		119,421
Total liabilities assumed		345,480
Total identifiable net assets		$ 3,484,945