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Post-Retirement Plans - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Oct. 08, 2016
Jul. 16, 2016
Oct. 10, 2015
Oct. 08, 2016
Oct. 10, 2015
Compensation And Retirement Disclosure [Abstract]          
Settlement loss $ 1,832,000 $ 4,600,000   $ 6,473,000  
Expected pension income for fiscal 2016       0  
Voluntary pension contributions 1,000,000     1,000,000 $ 10,000,000
Total cost and employer contributions $ 6,500,000   $ 6,000,000 $ 22,300,000 $ 20,500,000