Finance Receivables (Changes In Allowance For Credit Losses On Finance Receivables) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	$ 106,792	$ 122,503	$ 107,667	$ 125,449
Provision for credit losses	11,297	(5,259)	24,407	3,754
Charge-offs	(18,166)	(17,054)	(43,409)	(42,906)
Recoveries	11,401	14,058	22,659	27,951
Balance, end of period	111,324	114,248	111,324	114,248
Retail [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	98,542	112,857	101,442	116,112
Provision for credit losses	11,993	(3,681)	23,078	5,023
Charge-offs	(18,166)	(17,054)	(43,409)	(42,906)
Recoveries	11,401	14,058	22,659	27,951
Balance, end of period	103,770	106,180	103,770	106,180
Wholesale [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	8,250	9,646	6,225	9,337
Provision for credit losses	(696)	(1,578)	1,329	(1,269)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	$ 7,554	$ 8,068	$ 7,554	$ 8,068