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Earnings Per Share (Details 2) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014	Jun. 26, 2012
Share Repurchase Program
Shares repurchased, aggregate cost			$ 44,053,000
Common Stock
Share Repurchase Program
Number of common stock repurchased (in shares)	2,000,000	0	2,000,000	0
Shares repurchased, aggregate cost	$ 44,000,000	$ 0	$ 44,000,000	$ 0
Value of common stock remaining to be repurchased	$ 451,800,000		$ 451,800,000
Common Stock | Minimum
Share Repurchase Program
Number of common stock authorized to be repurchased (in shares)	0		0
Common Stock | Maximum
Share Repurchase Program
Value of common stock authorized to be repurchased					$ 500,000,000
Number of common stock authorized to be repurchased (in shares)	0		0

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