Supplemental Consolidating Data - Schedule of Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 1,587,664		$ 1,589,608	$ 1,849,159
Accounts receivable, net	325,756		234,315	321,285
Finance receivables, net	2,127,866		2,031,496	2,472,784
Inventories, net	630,287		745,793	668,924
Restricted cash	149,782		135,661	137,486
Other current assets	327,260		259,764	188,002
Current assets	5,148,615		4,996,637	5,637,640
Finance receivables, net	5,198,356		5,256,798	5,545,780
Property, plant and equipment, net	729,491		757,072	720,423
Pension and postretirement assets	467,893		440,825	438,805
Goodwill	63,839		61,655	62,152
Deferred income taxes	166,800		175,826	158,580
Lease assets	71,938		63,853	61,916
Other long-term assets	203,513		128,913	134,946
Assets	12,050,445		11,881,579	12,760,242
Current liabilities:
Accounts payable	367,380		298,718	377,067
Accrued liabilities	673,236		593,960	661,167
Short-term deposits, net	243,101		173,099	206,972
Short-term debt	503,353		640,204	497,792
Current portion of long-term debt, net	1,983,828		1,851,513	2,021,344
Current liabilities	3,770,898		3,557,494	3,764,342
Long-term deposits, net	294,783		377,487	297,121
Long-term debt, net	4,367,553		4,468,665	4,949,871
Lease liabilities	56,302		47,420	45,355
Pension and postretirement liabilities	52,189		53,874	58,886
Deferred income taxes	17,027		16,889	33,497
Other long-term liabilities	183,760		201,250	177,854
Commitments and contingencies (Note 14)
Total equity	3,307,933	$ 3,173,690	3,158,500	3,433,316	$ 3,336,086	$ 3,252,295
Total liabilities and shareholders' equity	12,050,445		11,881,579	12,760,242
Reportable Legal Entities | Non-Financial Services Entities
Current assets:
Cash and cash equivalents	1,067,346		1,105,663	1,276,973
Accounts receivable, net	602,064		294,776	636,846
Finance receivables, net	0		0	0
Inventories, net	630,287		745,793	668,924
Restricted cash	0		0	0
Other current assets	249,430		273,791	143,012
Current assets	2,549,127		2,420,023	2,725,755
Finance receivables, net	0		0	0
Property, plant and equipment, net	720,914		743,875	703,548
Pension and postretirement assets	467,893		440,825	438,805
Goodwill	63,839		61,655	62,152
Deferred income taxes	84,817		88,734	72,899
Lease assets	69,133		60,628	58,078
Other long-term assets	225,461		221,694	224,645
Assets	4,181,184		4,037,434	4,285,882
Current liabilities:
Accounts payable	337,519		275,314	351,209
Accrued liabilities	562,411		515,830	502,575
Short-term deposits, net	0		0	0
Short-term debt	0		0	0
Current portion of long-term debt, net	449,976		449,831	0
Current liabilities	1,349,906		1,240,975	853,784
Long-term deposits, net	0		0	0
Long-term debt, net	297,188		296,969	746,438
Lease liabilities	53,880		44,520	41,991
Pension and postretirement liabilities	52,189		53,874	58,886
Deferred income taxes	15,794		15,765	30,266
Other long-term liabilities	137,012		139,373	143,946
Commitments and contingencies (Note 14)
Total equity	2,275,215		2,245,958	2,410,571
Total liabilities and shareholders' equity	4,181,184		4,037,434	4,285,882
Reportable Legal Entities | Financial Services Entities
Current assets:
Cash and cash equivalents	520,318		483,945	572,186
Accounts receivable, net	99		65	46
Finance receivables, net	2,127,866		2,031,496	2,472,784
Inventories, net	0		0	0
Restricted cash	149,782		135,661	137,486
Other current assets	134,295		63,608	59,086
Current assets	2,932,360		2,714,775	3,241,588
Finance receivables, net	5,198,356		5,256,798	5,545,780
Property, plant and equipment, net	8,577		13,197	16,875
Pension and postretirement assets	0		0	0
Goodwill	0		0	0
Deferred income taxes	82,876		88,109	86,473
Lease assets	2,805		3,225	3,838
Other long-term assets	98,798		26,805	25,941
Assets	8,323,772		8,102,909	8,920,495
Current liabilities:
Accounts payable	306,268		83,930	341,465
Accrued liabilities	166,796		155,437	172,019
Short-term deposits, net	243,101		173,099	206,972
Short-term debt	503,353		640,204	497,792
Current portion of long-term debt, net	1,533,852		1,401,682	2,021,344
Current liabilities	2,753,370		2,454,352	3,239,592
Long-term deposits, net	294,783		377,487	297,121
Long-term debt, net	4,070,365		4,171,696	4,203,433
Lease liabilities	2,422		2,900	3,364
Pension and postretirement liabilities	0		0	0
Deferred income taxes	1,233		1,124	3,231
Other long-term liabilities	44,988		60,123	32,034
Commitments and contingencies (Note 14)
Total equity	1,156,611		1,035,227	1,141,720
Total liabilities and shareholders' equity	8,323,772		8,102,909	8,920,495
Consolidating Adjustments
Current assets:
Cash and cash equivalents	0		0	0
Accounts receivable, net	(276,407)		(60,526)	(315,607)
Finance receivables, net	0		0	0
Inventories, net	0		0	0
Restricted cash	0		0	0
Other current assets	(56,465)		(77,635)	(14,096)
Current assets	(332,872)		(138,161)	(329,703)
Finance receivables, net	0		0	0
Property, plant and equipment, net	0		0	0
Pension and postretirement assets	0		0	0
Goodwill	0		0	0
Deferred income taxes	(893)		(1,017)	(792)
Lease assets	0		0	0
Other long-term assets	(120,746)		(119,586)	(115,640)
Assets	(454,511)		(258,764)	(446,135)
Current liabilities:
Accounts payable	(276,407)		(60,526)	(315,607)
Accrued liabilities	(55,971)		(77,307)	(13,427)
Short-term deposits, net	0		0	0
Short-term debt	0		0	0
Current portion of long-term debt, net	0		0	0
Current liabilities	(332,378)		(137,833)	(329,034)
Long-term deposits, net	0		0	0
Long-term debt, net	0		0	0
Lease liabilities	0		0	0
Pension and postretirement liabilities	0		0	0
Deferred income taxes	0		0	0
Other long-term liabilities	1,760		1,754	1,874
Commitments and contingencies (Note 14)
Total equity	(123,893)		(122,685)	(118,975)
Total liabilities and shareholders' equity	$ (454,511)		$ (258,764)	$ (446,135)