Acquisitions - Fair value of assets acquired and liabilities (Details) - USD ($) $ in Millions	Feb. 28, 2026	Nov. 03, 2025	Sep. 25, 2025	Aug. 11, 2025	May 31, 2025	Mar. 01, 2024
Acquisitions
Goodwill	$ 552.3				$ 530.8
Haeco Americas, Llc
Acquisitions
Accounts receivable		$ 24.5
Contract assets		16.1
Inventory		16.2
Property & equipment		11.5
Right-of-use assets		92.0
Other assets		3.7
Accounts payable and accrued liabilities		(35.3)
Lease liabilities		(15.0)
Net assets acquired		113.7
Bargain purchase gain		(35.7)
Purchase price, net of cash acquired		$ 78.0
American Distributors Holding Co., Llc
Acquisitions
Accounts receivable			$ 13.1
Inventory			66.6
Intangible assets			75.8
Other assets			5.4
Accounts payable and accrued liabilities			(32.8)
Net assets acquired			128.1
Goodwill			9.0
Purchase price, net of cash acquired			$ 137.1
Aerostrat Corp
Acquisitions
Current assets				$ 0.7
Intangible assets				10.3
Deferred revenue				(0.6)
Deferred tax liabilities				(2.6)
Net assets acquired				7.8
Goodwill				12.3
Purchase price, net of cash acquired				$ 20.1
Product support business
Acquisitions
Accounts receivable						$ 42.3
Contract assets						18.7
Inventory						62.8
Rotable assets						21.9
Property & equipment						44.6
Intangible assets						179.4
Investment in joint venture						17.9
Other assets						4.1
Accounts payable						(21.6)
Other liabilities						(14.9)
Net assets acquired						355.2
Goodwill						364.8
Purchase price, net of cash acquired						$ 720.0