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Trade Payables and Accruals - Summary of Trade Payables and Accruals (Detail) - CAD ($)
$ in Millions
Jan. 31, 2019
Jan. 31, 2018
Feb. 01, 2017
Trade and other current payables [abstract]      
Trade payables $ 687.4 $ 560.2 $ 518.8
Wages and related employee accruals 145.3 122.0 97.1
Other accruals 170.8 123.3 102.6
Total trade payables and accruals $ 1,003.5 $ 805.5 $ 718.5