Accumulated Other Comprehensive Income (Changes In Other Comprehensinve Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 29, 2013		Sep. 30, 2012		Sep. 29, 2013		Sep. 30, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ (599,190)		$ (469,556)		$ (607,678)		$ (476,733)
Other comprehensive income before reclassifications	(554)		10,634		(9,033)		9,500
Income tax	3,115		(1,795)		(599)		(3,402)
Net other comprehensive income before reclassifications	2,561		8,839		(9,632)		6,098
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	16,237		5,257		49,080		20,954
Income tax expense	(6,014)		(1,959)		(18,176)		(7,738)
Net reclassifications	10,223		3,298		30,904		13,216
Other comprehensive (loss) income	12,784		12,137		21,272		19,314
Ending Balance	(586,406)		(457,419)		(586,406)		(457,419)
Prior Service Costs [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(526)	[1]	(233)	[1]	(1,580)	[1]	(671)	[1]
Actuarial Losses [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	16,789	[1]	12,824	[1]	50,368	[1]	38,472	[1]
Foreign Currency Contracts [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(47)	[2]	(7,742)	[2]	(61)	[2]	(19,846)	[2]
Commodity Contract [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	21	[2]	81	[2]	8	[2]	737	[2]
Interest Rate Swap [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0	[3]	327	[3]	345	[3]	2,262	[3]
Accumulated Translation Adjustment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	29,461		44,571		51,335		49,935
Other comprehensive income before reclassifications	10,040		8,388		(13,812)		3,087
Income tax	(808)		(963)		1,170		(1,026)
Net other comprehensive income before reclassifications	9,232		7,425		(12,642)		2,061
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0		0		0		0
Income tax expense	0		0		0		0
Net reclassifications	0		0		0		0
Other comprehensive (loss) income	9,232		7,425		(12,642)		2,061
Ending Balance	38,693		51,996		38,693		51,996
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	50		655		677		327
Other comprehensive income before reclassifications	(297)		529		(1,293)		1,050
Income tax	110		(196)		479		(389)
Net other comprehensive income before reclassifications	(187)		333		(814)		661
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0	[4]	0	[4]	0	[4]	0	[4]
Income tax expense	0		0		0		0
Net reclassifications	0		0		0		0
Other comprehensive (loss) income	(187)		333		(814)		661
Ending Balance	(137)		988		(137)		988
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	6,674		2,654		(3,837)		6,307
Other comprehensive income before reclassifications	(10,297)		1,717		6,072		5,363
Income tax	3,813		(636)		(2,248)		(1,987)
Net other comprehensive income before reclassifications	(6,484)		1,081		3,824		3,376
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(26)		(7,334)		292		(16,847)
Income tax expense	10		2,699		(105)		6,264
Net reclassifications	(16)		(4,635)		187		(10,583)
Other comprehensive (loss) income	(6,500)		(3,554)		4,011		(7,207)
Ending Balance	174		(900)		174		(900)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Foreign Currency Contracts [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(47)	[2]	(7,742)	[2]	(61)	[2]	(19,846)	[2]
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Commodity Contract [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	21	[2]	81	[2]	8	[2]	737	[2]
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Interest Rate Swap [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0	[3]	327	[3]	345	[3]	2,262	[3]
Accumulated Defined Benefit Plans Adjustment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(635,375)		(517,436)		(655,853)		(533,302)
Other comprehensive income before reclassifications	0		0		0		0
Income tax	0		0		0		0
Net other comprehensive income before reclassifications	0		0		0		0
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	16,263		12,591		48,788		37,801
Income tax expense	(6,024)		(4,658)		(18,071)		(14,002)
Net reclassifications	10,239		7,933		30,717		23,799
Other comprehensive (loss) income	10,239		7,933		30,717		23,799
Ending Balance	(625,136)		(509,503)		(625,136)		(509,503)
Accumulated Defined Benefit Plans Adjustment [Member] | Prior Service Costs [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(526)	[1]	(233)	[1]	(1,580)	[1]	(671)	[1]
Accumulated Defined Benefit Plans Adjustment [Member] | Actuarial Losses [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	$ 16,789	[1]	$ 12,824	[1]	$ 50,368	[1]	$ 38,472	[1]

[1] Amounts reclassified are included in the computation of net periodic period cost. See note 14 for information related to pension and postretirement benefit plans.

[2] Amounts reclassified to net income are included in motorcycles and related products cost of goods sold.

[3] Amounts reclassified to net income are presented in financial services interest expense.

[4] Amounts reclassified to net income are included in investment income.