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Commitments and Contingencies - Additional Information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2016 USD ($) Employees | Jan. 02, 2016 USD ($) | Jan. 03, 2015 USD ($)
Commitments And Contingencies [Line Items] |  |  |
Rent expense, net of sub-lease rental income | $ | $ 31.2 | $ 29.4 | $ 30.6
Collective bargaining agreements expiration | 5 years |  |
Workforce Subject to Collective Bargaining Arrangements [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Number of employees covered under collective bargaining agreements | 2,800 |  |
Percentage of employees covered under collective bargaining agreements | 23.00% |  |
Workforce Subject to Collective Bargaining Agreements Expiring in 2017 [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Number of employees covered under collective bargaining agreements | 2,100 |  |
Collective bargaining agreements year of expiration | 2017 |  |
Workforce Subject to Collective Bargaining Arrangements Expiring in 2018 [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Number of employees covered under collective bargaining agreements | 500 |  |
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 | 200 |  |
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 | 0 |  |
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 | 0 |  |
Collective bargaining agreements year of expiration | 2021 |  |

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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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