Finance Receivables (Aging Of Past Due Finance Receivables Including Non Accrual Status Finance Receivables) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2013	Dec. 31, 2012	Sep. 30, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 6,149,656	$ 5,709,381	$ 5,877,651
31-60 Days Past Due	99,936	114,588	101,151
61-90 Days Past Due	28,833	37,517	30,095
Greater than 90 Days Past Due	18,386	28,033	19,896
Total Past Due	147,155	180,138	151,142
Total Finance Receivables	6,296,811	5,889,519	6,028,793
Retail [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	5,260,125	4,894,675	5,093,496
31-60 Days Past Due	99,255	113,604	100,706
61-90 Days Past Due	28,531	37,239	29,878
Greater than 90 Days Past Due	17,759	27,597	19,390
Total Past Due	145,545	178,440	149,974
Total Finance Receivables	5,405,670	5,073,115	5,243,470
Wholesale [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	889,531	814,706	784,155
31-60 Days Past Due	681	984	445
61-90 Days Past Due	302	278	217
Greater than 90 Days Past Due	627	436	506
Total Past Due	1,610	1,698	1,168
Total Finance Receivables	$ 891,141	$ 816,404	$ 785,323