Additional Balance Sheet and Cash Flow Information - Inventories, Net (Details) - USD ($) $ in Thousands	Mar. 28, 2021	Dec. 31, 2020	Mar. 29, 2020
Inventory
Raw materials and work in process	$ 251,199	$ 211,979	$ 245,384
Inventory at lower of FIFO cost or net realizable value	525,080	577,580	667,350
Excess of FIFO over LIFO cost	(54,083)	(54,083)	(56,426)
Total inventories, net	470,997	523,497	610,924
Deposits			0
Certificates of Deposit
Inventory
Deposits	152,700	80,000
Motorcycles
Inventory
Finished goods	185,590	281,132	272,648
Parts & Accessories and General Merchandise
Inventory
Finished goods	$ 88,291	$ 84,469	$ 149,318

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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The aggregate carrying amount as of the balance sheet date of items held by the entity which are partially completed at the time of measurement and unprocessed items that will go through the production process and become part of the final product. Includes supplies used directly or indirectly in the manufacturing or production process. This element may be used when the reporting entity combines work in process and raw materials into an aggregate amount.

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