Finance Receivables (Aging Of Past Due Finance Receivables Including Non Accrual Status Finance Receivables) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2014	Dec. 31, 2013	Jun. 30, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 6,807,233	$ 5,938,648	$ 6,207,179
31-60 Days Past Due	91,118	110,597	91,297
61-90 Days Past Due	28,201	36,210	24,304
Greater than 90 Days Past Due	14,720	24,801	14,130
Total Past Due	134,039	171,608	129,731
Total Finance Receivables	6,941,272	6,110,256	6,336,910
Retail [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	5,469,796	5,094,615	5,119,572
31-60 Days Past Due	90,617	109,806	90,790
61-90 Days Past Due	28,088	36,029	24,023
Greater than 90 Days Past Due	14,686	24,594	13,904
Total Past Due	133,391	170,429	128,717
Total Finance Receivables	5,603,187	5,265,044	5,248,289
Wholesale [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,337,437	844,033	1,087,607
31-60 Days Past Due	501	791	507
61-90 Days Past Due	113	181	281
Greater than 90 Days Past Due	34	207	226
Total Past Due	648	1,179	1,014
Total Finance Receivables	$ 1,338,085	$ 845,212	$ 1,088,621