XML 102 R84.htm IDEA: XBRL DOCUMENT v3.20.4
Retirement Plans - Weighted Average Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Cost (Detail)
12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Weighted-average assumptions used to determine benefit obligations at fiscal year-end:    
Discount rate 2.85% 3.60%
Weighted average assumptions used to determine net periodic benefit cost for the years ended:    
Discount rate 3.60% 4.46%
Expected long-term rate of return on plan assets 6.75% 6.75%
Pension [Member]    
Weighted-average assumptions used to determine benefit obligations at fiscal year-end:    
Rate of compensation increase 4.18% 4.23%
Weighted average assumptions used to determine net periodic benefit cost for the years ended:    
Rate of compensation increase 4.23% 3.82%
SERP [Member]    
Weighted-average assumptions used to determine benefit obligations at fiscal year-end:    
Rate of compensation increase 7.00% 7.00%
Weighted average assumptions used to determine net periodic benefit cost for the years ended:    
Rate of compensation increase 7.00% 7.00%