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Summary of Stock Option Activity (Parenthetical) (Detail)	12 Months Ended
	Feb. 02, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested percentage	100.00%
Vested percentage	100.00%
Market value on the last business day of the fiscal year	54.52

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- Definition

Market value on last business day of fiscal year.

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- Definition

Percent of share options (or share units) vested as of the balance sheet date.

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