Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Income Taxes        
Effective income tax rate (as a percent) 32.80% 24.10% 34.20% 27.30%
Accounting Standards Update 2016-09 [Member] | Measurement period adjustments        
Income Taxes        
Tax deficiencies related vesting of stock-based awards     $ 2.2