Acquisition, Restructuring and Other Items, Net - Summary of Estimated Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2025	Aug. 31, 2024
Restructuring Cost and Reserve [Line Items]
Acquisition, restructuring and other items, net	$ 2,758	$ 4,311
Plant closure
Restructuring Cost and Reserve [Line Items]
Acquisition, restructuring and other items, net	2,345	$ 3,589
Total restructuring charges recorded to date	25,600
Plan
Restructuring Cost and Reserve [Line Items]
Non-cash charges for accelerated depreciation and building impairment	13,600
Plan \| Minimum
Restructuring Cost and Reserve [Line Items]
Estimated costs	38,500
Plan \| Minimum \| Facilities closeout fees
Restructuring Cost and Reserve [Line Items]
Estimated costs	14,500
Plan \| Minimum \| Termination benefits
Restructuring Cost and Reserve [Line Items]
Estimated costs	9,000
Plan \| Minimum \| Outside consultants
Restructuring Cost and Reserve [Line Items]
Estimated costs	9,000
Plan \| Minimum \| Validation expenses
Restructuring Cost and Reserve [Line Items]
Estimated costs	4,500
Plan \| Minimum \| Regulatory filings
Restructuring Cost and Reserve [Line Items]
Estimated costs	750
Plan \| Minimum \| Other
Restructuring Cost and Reserve [Line Items]
Estimated costs	750
Plan \| Maximum
Restructuring Cost and Reserve [Line Items]
Estimated costs	43,250
Plan \| Maximum \| Facilities closeout fees
Restructuring Cost and Reserve [Line Items]
Estimated costs	15,250
Plan \| Maximum \| Termination benefits
Restructuring Cost and Reserve [Line Items]
Estimated costs	10,000
Plan \| Maximum \| Outside consultants
Restructuring Cost and Reserve [Line Items]
Estimated costs	10,000
Plan \| Maximum \| Validation expenses
Restructuring Cost and Reserve [Line Items]
Estimated costs	5,500
Plan \| Maximum \| Regulatory filings
Restructuring Cost and Reserve [Line Items]
Estimated costs	1,250
Plan \| Maximum \| Other
Restructuring Cost and Reserve [Line Items]
Estimated costs	1,250
Manufacturing Shift To Outsourced Model, Modified
Restructuring Cost and Reserve [Line Items]
Non-cash charges for accelerated depreciation and building impairment	13,300
Manufacturing Shift To Outsourced Model, Modified \| Minimum
Restructuring Cost and Reserve [Line Items]
Estimated costs	33,400
Manufacturing Shift To Outsourced Model, Modified \| Minimum \| Facilities closeout fees
Restructuring Cost and Reserve [Line Items]
Estimated costs	16,000
Manufacturing Shift To Outsourced Model, Modified \| Minimum \| Termination benefits
Restructuring Cost and Reserve [Line Items]
Estimated costs	6,200
Manufacturing Shift To Outsourced Model, Modified \| Minimum \| Outside consultants
Restructuring Cost and Reserve [Line Items]
Estimated costs	7,500
Manufacturing Shift To Outsourced Model, Modified \| Minimum \| Validation expenses
Restructuring Cost and Reserve [Line Items]
Estimated costs	3,400
Manufacturing Shift To Outsourced Model, Modified \| Minimum \| Regulatory filings
Restructuring Cost and Reserve [Line Items]
Estimated costs	150
Manufacturing Shift To Outsourced Model, Modified \| Minimum \| Other
Restructuring Cost and Reserve [Line Items]
Estimated costs	150
Manufacturing Shift To Outsourced Model, Modified \| Maximum
Restructuring Cost and Reserve [Line Items]
Estimated costs	38,400
Manufacturing Shift To Outsourced Model, Modified \| Maximum \| Facilities closeout fees
Restructuring Cost and Reserve [Line Items]
Estimated costs	17,000
Manufacturing Shift To Outsourced Model, Modified \| Maximum \| Termination benefits
Restructuring Cost and Reserve [Line Items]
Estimated costs	7,200
Manufacturing Shift To Outsourced Model, Modified \| Maximum \| Outside consultants
Restructuring Cost and Reserve [Line Items]
Estimated costs	8,500
Manufacturing Shift To Outsourced Model, Modified \| Maximum \| Validation expenses
Restructuring Cost and Reserve [Line Items]
Estimated costs	4,400
Manufacturing Shift To Outsourced Model, Modified \| Maximum \| Regulatory filings
Restructuring Cost and Reserve [Line Items]
Estimated costs	650
Manufacturing Shift To Outsourced Model, Modified \| Maximum \| Other
Restructuring Cost and Reserve [Line Items]
Estimated costs	$ 650

ANGIODYNAMICS INC 10-Q