Accumulated Other Comprehensive Income (Changes In Other Comprehensinve Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 28, 2014		Sep. 29, 2013		Sep. 28, 2014		Sep. 29, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	$ (309,051)		$ (599,190)		$ (332,676)		$ (607,678)
Other comprehensive (loss) income before reclassifications	(7,596)		(554)		3,604		(9,033)
Income tax	8,182		(3,115)		(9,127)		(599)
Net other comprehensive (loss) income before reclassifications	(15,778)		2,561		(5,523)		(9,632)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	2,804		(16,237)		24,039		49,080
Comprehensive Income (Loss), Reclassifications, Tax	1,039		6,014		(8,904)		(18,176)
Net reclassifications	1,765		(10,223)		15,135		30,904
Other comprehensive (loss) income	(14,013)		12,784		9,612		21,272
Balance, end of period	(323,064)		(586,406)		(323,064)		(586,406)
Prior Service Costs [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	684	[1]	526	[1]	(2,052)	[1]	(1,580)	[1]
Actuarial Losses [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(10,323)	[1]	(16,789)	[1]	30,968	[1]	50,368	[1]
Foreign Currency Contracts [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	6,852	[2]	47	[2]	(4,611)	[2]	(61)	[2]
Commodity Contract [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(17)	[2]	(21)	[2]	(266)	[2]	8	[2]
Interest Rate Swap [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax							345	[3]
Accumulated Translation Adjustment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	42,007		29,461		33,326		51,335
Other comprehensive (loss) income before reclassifications	(34,202)		10,040		(25,502)		(13,812)
Income tax	(1,673)		808		1,654		1,170
Net other comprehensive (loss) income before reclassifications	(32,529)		9,232		(23,848)		(12,642)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0		0		0		0
Comprehensive Income (Loss), Reclassifications, Tax	0		0		0		0
Net reclassifications	0		0		0		0
Other comprehensive (loss) income	(32,529)		9,232		(23,848)		(12,642)
Balance, end of period	9,478		38,693		9,478		38,693
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	(392)		50		(276)		677
Other comprehensive (loss) income before reclassifications	(235)		(297)		(419)		(1,293)
Income tax	(87)		(110)		155		479
Net other comprehensive (loss) income before reclassifications	(148)		(187)		(264)		(814)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0		0		0		0
Comprehensive Income (Loss), Reclassifications, Tax	0		0		0		0
Net reclassifications	0		0		0		0
Other comprehensive (loss) income	(148)		(187)		(264)		(814)
Balance, end of period	(540)		(137)		(540)		(137)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	1,243		6,674		(1,680)		(3,837)
Other comprehensive (loss) income before reclassifications	26,841		(10,297)		29,525		6,072
Income tax	9,942		(3,813)		(10,936)		(2,248)
Net other comprehensive (loss) income before reclassifications	16,899		(6,484)		18,589		3,824
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(6,835)		26		(4,877)		292
Comprehensive Income (Loss), Reclassifications, Tax	(2,531)		(10)		1,806		(105)
Net reclassifications	(4,304)		16		(3,071)		187
Other comprehensive (loss) income	12,595		(6,500)		15,518		4,011
Balance, end of period	13,838		174		13,838		174
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	6,852	[2]	47	[2]	(4,611)	[2]	(61)	[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	(17)	[2]	(21)	[2]	(266)	[2]	8	[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							345	[3]
Accumulated Defined Benefit Plans Adjustment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	(351,909)		(635,375)		(364,046)		(655,853)
Other comprehensive (loss) income before reclassifications	0		0		0		0
Income tax	0		0		0		0
Net other comprehensive (loss) income before reclassifications	0		0		0		0
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	9,639		(16,263)		28,916		48,788
Comprehensive Income (Loss), Reclassifications, Tax	3,570		6,024		(10,710)		(18,071)
Net reclassifications	6,069		(10,239)		18,206		30,717
Other comprehensive (loss) income	6,069		10,239		18,206		30,717
Balance, end of period	(345,840)		(625,136)		(345,840)		(625,136)
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	684		526	[1]	(2,052)	[1]	(1,580)	[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	$ (10,323)		$ (16,789)	[1]	$ 30,968	[1]	$ 50,368	[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.