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Maturities Of Lease Liabilities (Detail) - USD ($)
$ in Thousands
Mar. 24, 2019
Dec. 31, 2018
Dec. 30, 2018
2019, excluding the quarter ended March 24, 2019 $ 29,314   $ 40,752
2020 38,791   37,519
2021 35,915   34,538
2022 32,545   30,763
2023 29,188   27,388
Thereafter 107,039   100,310
Total future minimum rental commitments 272,792   271,270
Less – amounts representing interest (42,531)    
Total lease liabilities 230,261 $ 226,800  
2019 1,799   2,396
2020 2,416   2,415
2021 2,434   2,433
2022 2,452   2,451
2023 2,475   2,474
Thereafter 23,792   23,781
Total future minimum rental commitments 35,368   35,950
Less – amounts representing interest (18,507)   (18,944)
Total principal payable on finance leases $ 16,861   $ 17,006