Annual report pursuant to Section 13 and 15(d)

Retirement and Savings Benefit Plans - Fair Value of Investments Held by Defined Benefit Plan (Detail)

v3.6.0.2
Retirement and Savings Benefit Plans - Fair Value of Investments Held by Defined Benefit Plan (Detail) - Pension Plan - USD ($)
$ in Thousands
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets in the fair value hierarchy $ 66,425 $ 53,218  
Total plan assets measured at net asset value 1,606,872 1,702,156  
Total plan assets 1,673,297 1,755,374 $ 1,628,254
Cash equivalents      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets measured at net asset value 27,486 23,538  
Total plan assets 2,896 2,790  
U.S. Treasury and government agencies      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 10 11  
Corporate and international bonds      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets measured at net asset value 1,140,894 1,232,691  
Alternative investments      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets measured at net asset value 161,466 159,481  
Insurance contracts      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 63,013 50,856  
Commodities      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 506 (439)  
Domestic | Equity Securities      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets measured at net asset value 134,254 107,190  
International | Equity Securities      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets measured at net asset value 142,772 179,256  
Level 1      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 3,402 2,351  
Level 1 | Cash equivalents      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 2,896 2,790  
Level 1 | U.S. Treasury and government agencies      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 0 0  
Level 1 | Insurance contracts      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 0 0  
Level 1 | Commodities      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 506 (439)  
Level 2      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 63,023 50,867  
Level 2 | Cash equivalents      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 0 0  
Level 2 | U.S. Treasury and government agencies      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 10 11  
Level 2 | Insurance contracts      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 63,013 50,856  
Level 2 | Commodities      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 0 0  
Level 3      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 0 0  
Level 3 | Cash equivalents      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 0 0  
Level 3 | U.S. Treasury and government agencies      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 0 0  
Level 3 | Insurance contracts      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets 0 0  
Level 3 | Commodities      
Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques and Inputs [Abstract]      
Total plan assets $ 0 $ 0