Stock-Based Compensation Performance Share Unit Activity (Details) - $ / shares shares in Thousands	9 Months Ended
	Oct. 29, 2016	Jan. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance Restricted Shares, Fair Value Beginning		$ 67.53
Granted performance restricted share units	12
Performance Restricted Shares Fair Value, Granted	$ 67.48
Forfeited performance restricted share units	(32)
Performance Restricted Shares Fair Value, Forfeited	$ 67.98
Performance restricted shares units, ending	327
Performance Restricted Shares, Fair Value Ending	$ 67.49