Commitments and Contingencies - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 30, 2017 USD ($) Employees	Dec. 31, 2016 USD ($)	Jan. 02, 2016 USD ($)
Commitments And Contingencies [Line Items]
Rent expense, net of sub-lease rental income | $	$ 35.2	$ 31.2	$ 29.4
Collective bargaining agreements expiration	5 years
Accrued legal matters | $	$ 45.9
Judgment in Patent Related Litigation Matter [Member]
Commitments And Contingencies [Line Items]
Accrued legal matters | $	30.9
Judgment in Employment Related Litigation Matter [Member]
Commitments And Contingencies [Line Items]
Accrued legal matters | $	$ 15.0
Workforce Subject to Collective Bargaining Arrangements [Member]
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements	2,700
Percentage of employees covered under collective bargaining agreements	21.00%
Workforce Subject to Collective Bargaining Agreements Expiring in 2018 [Member]
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements	1,450
Collective bargaining agreements year of expiration	2018
Workforce Subject to Collective Bargaining Arrangements Expiring in 2019 [Member]
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements	225
Collective bargaining agreements year of expiration	2019
Workforce Subject to Collective Bargaining Arrangements Expiring in 2020 [Member]
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements	825
Collective bargaining agreements year of expiration	2020
Workforce Subject to Collective Bargaining Arrangements Expiring in 2021 [Member]
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements	125
Collective bargaining agreements year of expiration	2021
Workforce Subject to Collective Bargaining Arrangements Expiring in 2022 [Member]
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements	25
Collective bargaining agreements year of expiration	2022