Additional Balance Sheet and Cash Flow Information (Reconciliation Of Net Income To Net Cash Used By Operating Activities) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 25, 2016	Sep. 27, 2015	Sep. 25, 2016	Sep. 27, 2015
Cash flows from operating activities:
Net income	$ 114,065	$ 140,347	$ 644,985	$ 710,011
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of intangibles			154,565	142,024
Amortization of deferred loan origination costs			65,445	71,012
Amortization of financing origination fees			7,212	7,331
Provision for long-term employee benefits			27,608	36,954
Employee benefit plan contributions and payments			(47,658)	(19,358)
Stock compensation expense			24,909	23,732
Net change in wholesale finance receivables related to sales			(169,599)	(157,532)
Provision for credit losses	$ 36,543	$ 27,233	97,127	68,655
Gain on off-balance sheet asset-backed securitization			(9,269)	0
Gain (Loss) on Extinguishment of Debt			(118)	0
Pension plan settlement expense			900	0
Deferred income taxes			(11,261)	(9,272)
Foreign currency adjustments			(11,741)	22,010
Other, net			(11,529)	5,000
Changes in current assets and liabilities:
Accounts receivable, net			(86,796)	(60,687)
Finance receivables—accrued interest and other			364	(98)
Inventories			173,975	(36,109)
Accounts payable and accrued liabilities			97,190	211,045
Derivative instruments			(1,992)	(6,734)
Other			(16,744)	12,973
Total adjustments			282,824	310,946
Net cash provided by operating activities			$ 927,809	$ 1,020,957