Acquisitions - Summary of Purchase Price Allocation (Detail) - USD ($) $ in Thousands	May 31, 2025	Apr. 11, 2025	Feb. 28, 2025	Jun. 26, 2024	Feb. 29, 2024
Business Acquisition [Line Items]
Goodwill	$ 106,756		$ 94,349		$ 94,349
Northeastern Envelope Company and Envelope Superstore [Member]
Business Acquisition [Line Items]
Accounts receivable		$ 1,585
Inventories		2,514
Right-of-use asset		601
Property, plant and equipment		7,371
Goodwill		12,407
Other Intangibles		11,498
Operating lease liability		(601)
Accounts payable and accrued liabilities		(444)
Acquisition price		$ 34,931
Printing Technologies Inc [Member]
Business Acquisition [Line Items]
Accounts receivable				$ 1,339
Inventories				1,826
Other assets				100
Right-of-use asset				847
Property, plant and equipment				887
Intangibles				2,012
Operating lease liability				(847)
Accounts payable and accrued liabilities				(633)
Acquisition price				$ 5,531