Discontinued Operations - Additional Information (Detail) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	May 25, 2016	Jan. 31, 2017	Feb. 28, 2018	Feb. 28, 2017	Feb. 29, 2016
Apparel Segment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase price, cash to be received	$ 110,000
Tax benefit related to discontinued operation			$ (2,147)	$ (12,138)	$ 2,053
Gildan Activewear Inc. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tax benefit related to discontinued operation			$ 2,100
Tax benefit related to discontinued operation including receivables	500
Receivable discontinued operation	2,000
Gildan Activewear Inc. [Member] | Apparel Segment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase price, escrow funds to any liabilities	2,000
Purchase price, voluntarily payable funds		$ 2,000
Tax benefit related to discontinued operation				$ 1,600
Gildan Activewear Inc. [Member] | Unit Purchase Agreement [Member] | Apparel Segment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase price, cash to be received	$ 110,000