Stock-Based Compensation - Expense Included in Selling, General and Administrative Expenses Related to Stock Options and Restricted Stock Awards (Detail) - Selling, General and Administrative Expenses - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Dec. 26, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 24.9	$ 16.8	$ 12.4
Stock options
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	2.4	3.9	5.2
RSUs/PSUs
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	21.6	12.2	6.5
RSAs
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 0.9	$ 0.7	$ 0.7