Finance Receivables (Allowance For Credit Losses And Finance Receivables By Portfolio Individually And Collectively Evaluated For Impairment) (Detail) (USD $)	Jul. 01, 2012	Apr. 01, 2012	Dec. 31, 2011	Jun. 26, 2011	Mar. 27, 2011	Dec. 31, 2010
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	$ 114,248,000	$ 122,503,000	$ 125,449,000	$ 144,404,000	$ 159,684,000	$ 173,589,000
Finance receivables, gross	5,225,779,000		5,087,490,000	5,374,055,000
Finance receivables, gross	905,038,000		824,640,000	733,789,000
Allowance for credit losses	114,248,000		125,449,000	144,404,000
Finance receivables, gross	6,130,817,000		5,912,130,000	6,107,844,000
Individually Evaluated For Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses				3,031,000
Finance receivables, gross				4,676,000
Collectively Evaluated For Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	114,248,000		125,449,000	141,373,000
Finance receivables, gross	6,130,817,000		5,912,130,000	6,103,168,000
Retail [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	106,180,000	112,857,000	116,112,000	130,948,000	141,704,000	157,791,000
Finance receivables, gross	5,225,779,000		5,087,490,000	5,374,055,000
Retail [Member] | Collectively Evaluated For Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	106,180,000		116,112,000	130,948,000
Finance receivables, gross	5,225,779,000		5,087,490,000	5,374,055,000
Wholesale [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	8,068,000	9,646,000	9,337,000	13,456,000	17,980,000	15,798,000
Allowance for credit losses	8,068,000		9,337,000	13,456,000
Finance receivables, gross	905,038,000		824,640,000	733,789,000
Wholesale [Member] | Individually Evaluated For Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses				3,031,000
Finance receivables, gross				4,676,000
Wholesale [Member] | Collectively Evaluated For Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	8,068,000		9,337,000	10,425,000
Finance receivables, gross	$ 905,038,000		$ 824,640,000	$ 729,113,000