Finance Receivables (Allowance For Credit Losses And Finance Receivables By Portfolio Individually And Collectively Evaluated For Impairment) (Detail) (USD $)	Sep. 28, 2014	Jun. 29, 2014	Dec. 31, 2013	Sep. 29, 2013	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	$ 0		$ 0	$ 0
Collectively evaluated for impairment	126,003,000		110,693,000	111,921,000
Total allowance for credit losses	126,003,000	122,355,000	110,693,000	111,921,000	111,324,000	107,667,000
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	6,791,503,000		6,110,256,000	6,296,811,000
Total Finance Receivables	6,791,503,000		6,110,256,000	6,296,811,000
Wholesale [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	5,341,000		4,630,000	5,990,000
Total allowance for credit losses	5,341,000	7,456,000	4,630,000	5,990,000	7,554,000	6,225,000
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	1,033,576,000		845,212,000	891,141,000
Total Finance Receivables	1,033,576,000		845,212,000	891,141,000
Retail [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	120,662,000		106,063,000	105,931,000
Total allowance for credit losses	120,662,000	114,899,000	106,063,000	105,931,000	103,770,000	101,442,000
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	5,757,927,000		5,265,044,000	5,405,670,000
Total Finance Receivables	$ 5,757,927,000		$ 5,265,044,000	$ 5,405,670,000