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Stock Repurchase Program and Dividends - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 28, 2018	Oct. 29, 2017	Oct. 28, 2018	Oct. 29, 2017	Jan. 28, 2018
Stock Repurchase Program and Dividend [Line Items]
Common stock repurchased, shares	742,508	1,301,373	3,883,875	3,226,297
Common stock repurchased, average cost per share	$ 61.15	$ 46.84	$ 56.70	$ 47.83
Common stock repurchased, total cost	$ 45,403,000	$ 60,960,000	$ 220,221,000	$ 154,321,000
Stock repurchase program, remaining shares	298,898,000		298,898,000
Treasure stock, value	$ 205,000	$ 725,000	$ 205,000	$ 725,000	$ 725,000
Cash dividend, per common share	$ 0.43	$ 0.39	$ 1.29	$ 1.17

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

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The cash outflow to reacquire common stock during the period.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Stock Repurchase Program and Dividend [Line Items]

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