Additional Balance Sheet And Cash Flow Information (Reconciliation Of Net Income To Net Cash Used By Operating Activities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 01, 2012	Dec. 31, 2011	Mar. 27, 2011
Additional Balance Sheet And Cash Flow Information [Abstract]
Net income	$ 172,035		$ 119,260
Loss from discontinued operations
Income from continuing operations	172,035		119,260
Depreciation	43,203		42,947
Amortization of deferred loan origination costs	18,547		19,329
Amortization of financing origination fees	2,743		3,107
Provision for employee long-term benefits	17,293		15,563
Contributions to pension and postretirement plans	(206,832)		(204,816)
Stock compensation expense	11,744		9,153
Net change in wholesale finance receivables related to sales	(151,046)		(163,967)
Provision for credit losses	9,014		5,606
Pension and postretirement healthcare plan curtailment and settlement expense			236
Foreign currency adjustments	(2,911)		29
Other, net	1,505		14,112
Accounts receivable, net	(43,745)		(27,048)
Finance receivables - accrued interest and other	3,299		3,542
Inventories	(47,168)		(38,200)
Accounts payable and accrued liabilities	117,460		98,960
Restructuring reserves	1,296	7,500	7,757
Derivative instruments	(486)		2,157
Other	(19,567)		(12,645)
Total adjustments	245,651		224,178
Net cash used by operating activities of continuing operations	$ (73,616)		$ (104,918)