Accumulated Other Comprehensive Income (Changes In Other Comprehensinve Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jul. 01, 2012		Jun. 30, 2013		Jul. 01, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ (597,652)		$ (467,952)		$ (607,678)		$ (476,733)
Other comprehensive income (loss) before reclassifications	(12,496)		(1,456)		(8,478)		(1,133)
Income tax	1,119		(2,838)		(3,716)		(1,608)
Net other comprehensive income before reclassifications	(11,377)		(4,294)		(12,194)		(2,741)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	15,626		4,223		32,845		15,687
Income tax (benefit) expense	(5,787)		(1,533)		(12,163)		(5,769)
Net reclassifications	9,839		2,690		20,682		9,918
Other comprehensive (loss) income	(1,538)		(1,604)		8,488		7,177
Ending Balance	(599,190)		(469,556)		(599,190)		(469,556)
Prior Service Costs [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(526)	[1]	(223)	[1]	(1,052)	[1]	(448)	[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]	33,578	[1]	25,648	[1]
Foreign Currency Contracts [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(753)	[2]	(9,683)	[2]	(13)	[2]	(12,104)	[2]
Commodity Contract [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	34	[2]	337	[2]	(13)	[2]	656	[2]
Interest Rate Swap [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	82	[3]	968	[3]	345	[3]	1,935	[3]
Accumulated Translation Adjustment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	40,765		54,596		51,335		49,935
Other comprehensive income (loss) before reclassifications	(12,380)		(10,559)		(23,852)		(5,301)
Income tax	1,076		534		1,978		(63)
Net other comprehensive income before reclassifications	(11,304)		(10,025)		(21,874)		(5,364)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0		0		0		0
Income tax (benefit) expense	0		0		0		0
Net reclassifications	0		0		0		0
Other comprehensive (loss) income	(11,304)		(10,025)		(21,874)		(5,364)
Ending Balance	29,461		44,571		29,461		44,571
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	433		1,340		677		327
Other comprehensive income (loss) before reclassifications	(608)		(1,088)		(996)		521
Income tax	225		403		369		(193)
Net other comprehensive income before reclassifications	(383)		(685)		(627)		328
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0	[4]	0	[4]	0	[4]	0	[4]
Income tax (benefit) expense	0		0		0		0
Net reclassifications	0		0		0		0
Other comprehensive (loss) income	(383)		(685)		(627)		328
Ending Balance	50		655		50		655
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	6,764		1,481		(3,837)		6,307
Other comprehensive income (loss) before reclassifications	492		10,191		16,370		3,647
Income tax	(182)		(3,775)		(6,063)		(1,352)
Net other comprehensive income before reclassifications	310		6,416		10,307		2,295
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(637)		(8,378)		319		(9,513)
Income tax (benefit) expense	237		3,135		(115)		3,565
Net reclassifications	(400)		(5,243)		204		(5,948)
Other comprehensive (loss) income	(90)		1,173		10,511		(3,653)
Ending Balance	6,674		2,654		6,674		2,654
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	(753)	[2]	(9,683)	[2]	(13)	[2]	(12,104)	[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	34	[2]	337	[2]	(13)	[2]	656	[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	82	[3]	968	[3]	345	[3]	1,935	[3]
Accumulated Defined Benefit Plans Adjustment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(645,614)		(525,369)		(655,853)		(533,302)
Other comprehensive income (loss) 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		12,601		32,526		25,200
Income tax (benefit) expense	(6,024)		(4,668)		(12,048)		(9,334)
Net reclassifications	10,239		7,933		20,478		15,866
Other comprehensive (loss) income	10,239		7,933		20,478		15,866
Ending Balance	(635,375)		(517,436)		(635,375)		(517,436)
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]	(223)	[1]	(1,052)	[1]	(448)	[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]	$ 33,578	[1]	$ 25,648	[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.