Finance Receivables (Aging Of Past Due Finance Receivables Including Non Accrual Status Finance Receivables) (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2014	Dec. 31, 2013	Mar. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 6,431,814	$ 5,938,648	$ 6,012,724
31-60 Days Past Due	80,488	110,597	83,800
61-90 Days Past Due	22,863	36,210	23,147
Greater than 90 Days Past Due	17,059	24,801	21,060
Total Past Due	120,410	171,608	128,007
Total Finance Receivables	6,552,224	6,110,256	6,140,731
Retail [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	5,134,053	5,094,615	4,855,128
31-60 Days Past Due	80,344	109,806	83,265
61-90 Days Past Due	22,767	36,029	22,837
Greater than 90 Days Past Due	16,969	24,594	20,258
Total Past Due	120,080	170,429	126,360
Total Finance Receivables	5,254,133	5,265,044	4,981,488
Wholesale [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,297,761	844,033	1,157,596
31-60 Days Past Due	144	791	535
61-90 Days Past Due	96	181	310
Greater than 90 Days Past Due	90	207	802
Total Past Due	330	1,179	1,647
Total Finance Receivables	$ 1,298,091	$ 845,212	$ 1,159,243