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Leases - Summary of Weighted Average Remaining Lease Term and Weighted Average Discount Rates (Detail)
Mar. 28, 2020
Dec. 28, 2019
Weighted Average Remaining Lease Term (years)    
Operating leases 6 years 11 months 8 days 7 years 21 days
Finance leases 2 years 3 months 14 days 2 years 5 months 4 days
Weighted Average Discount Rate    
Operating leases 6.95% 7.02%
Finance leases 6.01% 5.97%