v3.7.0.1
Fair Value Measurements and Financial Instruments - Fair Value of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Millions
Jul. 29, 2017
Jan. 28, 2017
Aug. 02, 2016
Jul. 30, 2016
Liabilities        
Business Combination, Contingent Consideration, Liability     $ 43.2  
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring        
Assets        
Company-owned life insurance [1] $ 12.8 $ 12.4   $ 10.4
Total assets 17.6 25.8   26.1
Liabilities        
Nonqualified deferred compensation [2] 1.1 1.0   1.0
Total liabilities 8.0 5.4   7.1
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring | Other current assets        
Assets        
Foreign Currency Contracts 4.5 13.3   15.7
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring | Other noncurrent assets        
Assets        
Foreign Currency Contracts 0.3 0.1    
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring | Accrued liabilities        
Liabilities        
Foreign Currency Contracts 6.5 4.3   $ 6.1
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring | Other long-term liabilities        
Liabilities        
Foreign Currency Contracts 0.4 0.1    
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring        
Liabilities        
Business Combination, Contingent Consideration, Liability 43.2 43.2 $ 43.2  
Total liabilities 43.2 43.2    
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring | Accrued liabilities        
Liabilities        
Business Combination, Contingent Consideration, Liability $ 43.2 20.0    
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring | Other long-term liabilities        
Liabilities        
Business Combination, Contingent Consideration, Liability   $ 23.2    
[1] (1) Recognized in other non-current assets in our unaudited condensed consolidated balance sheets.
[2] (2)Recognized in accrued liabilities in our unaudited condensed consolidated balance sheets.(3)As of July 29, 2017, $43.2 million was included in accrued liabilities in our unaudited condensed consolidated balance sheets. As of January 28, 2017, the current portion of $20.0 million was included in accrued liabilities and the noncurrent portion of $23.2 million was included in other long-term liabilities in our unaudited condensed consolidated balance sheets.