Finance Receivables (Aging Of Past Due Finance Receivables Including Non Accrual Status Finance Receivables) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2014	Dec. 31, 2013	Sep. 29, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 6,639,935	$ 5,938,648	$ 6,149,656
31-60 Days Past Due	99,985	110,597	99,936
61-90 Days Past Due	31,083	36,210	28,833
Greater than 90 Days Past Due	20,500	24,801	18,386
Total Past Due	151,568	171,608	147,155
Total Finance Receivables	6,791,503	6,110,256	6,296,811
Retail [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	5,607,089	5,094,615	5,260,125
31-60 Days Past Due	99,489	109,806	99,255
61-90 Days Past Due	31,006	36,029	28,531
Greater than 90 Days Past Due	20,343	24,594	17,759
Total Past Due	150,838	170,429	145,545
Total Finance Receivables	5,757,927	5,265,044	5,405,670
Wholesale [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,032,846	844,033	889,531
31-60 Days Past Due	496	791	681
61-90 Days Past Due	77	181	302
Greater than 90 Days Past Due	157	207	627
Total Past Due	730	1,179	1,610
Total Finance Receivables	$ 1,033,576	$ 845,212	$ 891,141