Finance Receivables (Aging Of Past Due Finance Receivables Including Non Accrual Status Finance Receivables) (Detail) - USD ($) $ in Thousands	Jun. 28, 2015	Dec. 31, 2014	Jun. 29, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 7,143,453	$ 6,379,379	$ 6,807,233
31-60 Days Past Due	97,495	113,390	91,118
61-90 Days Past Due	28,331	38,558	28,201
Greater than 90 Days Past Due	18,447	28,918	14,720
Total Past Due	144,273	180,866	134,039
Total Finance Receivables	7,287,726	6,560,245	6,941,272
Retail [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	5,819,279	5,427,719	5,469,796
31-60 Days Past Due	96,982	113,007	90,617
61-90 Days Past Due	28,150	38,486	28,088
Greater than 90 Days Past Due	18,274	28,712	14,686
Total Past Due	143,406	180,205	133,391
Total Finance Receivables	5,962,685	5,607,924	5,603,187
Wholesale [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,324,174	951,660	1,337,437
31-60 Days Past Due	513	383	501
61-90 Days Past Due	181	72	113
Greater than 90 Days Past Due	173	206	34
Total Past Due	867	661	648
Total Finance Receivables	$ 1,325,041	$ 952,321	$ 1,338,085