Supplemental balance sheet information related to the Company's leases (Detail) - USD ($) $ in Thousands	Mar. 22, 2020	Dec. 29, 2019
Land and buildings	$ 25,167	$ 25,476
Accumulated depreciation and amortization	(8,083)	(7,846)
Finance lease assets, net	17,084	17,630
Current portion of long-term debt	1,390	1,394
Long-term debt, less current portion	17,616	18,263
Total principal payable on finance leases	$ 19,006	$ 19,657
Finance Lease, Weighted Average Remaining Lease Term	14 years	14 years
Finance Lease, Weighted Average Discount Rate, Percent	11.70%	11.70%
Operating Lease, Weighted Average Remaining Lease Term	8 years	8 years
Operating Lease, Weighted Average Discount Rate, Percent	3.80%	3.80%