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Future Maturities of Lease Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Operating Leases
2021	$ 72,722
2022	62,848
2023	55,733
2024	47,824
2025	40,139
Later years	163,102
Total lease payments	442,368
less imputed interest	(104,269)
Total	338,099	$ 326,518
Finance Leases
2021	5,662
2022	6,020
2023	6,173
2024	6,332
2025	5,149
Later years	48,563
Total lease payments	77,899
less imputed interest	(24,818)
Total	$ 53,081	$ 18,009

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