Finance Receivables (Changes In Allowance For Credit Losses On Finance Receivables) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision for Loan and Lease Losses	$ 15,175	$ 15,961	$ 41,422	$ 36,292
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	132,820	114,529	127,364	110,693
Charge-offs	(21,003)	(19,018)	(53,736)	(46,361)
Recoveries	12,239	10,883	24,181	21,731
Balance, end of period	139,231	122,355	139,231	122,355
Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision for Loan and Lease Losses	16,890	16,258	39,433	33,466
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	123,777	106,776	122,025	106,063
Charge-offs	(21,003)	(19,018)	(53,736)	(46,361)
Recoveries	12,239	10,883	24,181	21,731
Balance, end of period	131,903	114,899	131,903	114,899
Wholesale [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision for Loan and Lease Losses	(1,715)	(297)	1,989	2,826
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	9,043	7,753	5,339	4,630
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	$ 7,328	$ 7,456	$ 7,328	$ 7,456