Summary of Pre-Tax Gains (Losses) Recorded In Accumulated OCI for Derivatives (Parenthetical) (Detail) (Cash Flow Hedging, Commodity Contract, USD $) In Millions, unless otherwise specified	May 03, 2014	Feb. 01, 2014	May 04, 2013
Cash Flow Hedging | Commodity Contract
Derivative Instruments, Gain (Loss) [Line Items]
Accumulated other comprehensive losses before tax related to net terminated contracts	$ 11.1	$ 18.2	$ 22.0