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Summary of Significant Accounting Policies and Basis of Presentation - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Significant Accounting Policies And Basis Of Presentation [Line Items]      
Allowance for doubtful accounts $ 6.7 $ 6.8  
Bad debt expenses $ 1.4 $ 2.1 $ 3.0
Inventories valued on LIFO method 86.70% 88.20%  
Under Value of carrying value of inventories than its replacement value $ 47.6 $ 49.5  
Effect on income due to change in LIFO valuation on liquidation 0.2 0.6 $ 0.8
Capitalized computer software 32.9 20.3  
Workers' compensation liability 0.5    
Health care insurance liability 0.5    
Current portion of self insurance liability 8.3 8.2  
Long term portion of self insurance liability $ 6.4 $ 6.2  
Weighted average shares not included in EPS calculations 0 0 322,914
Issuance of preferred stock 10,000,000 10,000,000  
Preferred stock, shares outstanding 0 0  
Advertising expenses $ 46.6 $ 47.7 $ 41.1
Accounting Standard Update 2015-03 [Member] | Other Assets, Net and Long-term Debt [Member]      
Significant Accounting Policies And Basis Of Presentation [Line Items]      
Decrease in assets and liabilities for fiscal 2016   $ 8.2  
Minimum [Member]      
Significant Accounting Policies And Basis Of Presentation [Line Items]      
Reserved expenses paid over remaining lease term 1 year    
Maximum [Member]      
Significant Accounting Policies And Basis Of Presentation [Line Items]      
Reserved expenses paid over remaining lease term 12 years