Merchandise Inventories - Additional Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Merchandise inventories	$ 1,146,192	$ 1,273,726
LIFO Inventory Amount	866,800	1,023,100
Current costs or first-in, first-out (FIFO) excess of replacement over stated LIFO value	154,700	146,500
Raw Materials	37,400	43,800
Work in Process	$ 61,800	$ 67,300