Accumulated Other Comprehensive Income (Changes In Other Comprehensinve Income) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 27, 2016	Mar. 29, 2015
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period		$ (615,205)	$ (514,943)
Other comprehensive (loss) income before reclassifications		1,785	2,451
Income tax		2,858	(9,048)
Net other comprehensive income (loss) before reclassifications		4,643	(6,597)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax		11,474	(986)
Comprehensive Income (Loss), Reclassifications, Tax		(4,250)	365
Net reclassifications		7,224	(621)
Other comprehensive income (loss)		11,867	(7,218)
Balance, end of period		(603,338)	(522,161)
Prior Service Costs [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	[1]	(446)	(695)
Actuarial Losses [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	[1]	12,471	14,670
Foreign Currency Contracts [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	[2]	(856)	(15,276)
Commodity Contract [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	[2]	215	315
Treasury Lock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	[3]	90
Accumulated Translation Adjustment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period		(58,844)	(3,482)
Other comprehensive (loss) income before reclassifications		14,571	(29,991)
Income tax		(1,878)	(2,970)
Net other comprehensive income (loss) before reclassifications		12,693	(27,021)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax		0	0
Comprehensive Income (Loss), Reclassifications, Tax		0	0
Net reclassifications		0	0
Other comprehensive income (loss)		12,693	(27,021)
Balance, end of period		(46,151)	(30,503)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period		(1,094)	(700)
Other comprehensive (loss) income before reclassifications		(71)	(106)
Income tax		26	(39)
Net other comprehensive income (loss) before reclassifications		(45)	(67)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax		0	0
Comprehensive Income (Loss), Reclassifications, Tax		0	0
Net reclassifications		0	0
Other comprehensive income (loss)		(45)	(67)
Balance, end of period		(1,139)	(767)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period		5,886	19,042
Other comprehensive (loss) income before reclassifications		(12,715)	32,548
Income tax		4,710	(12,057)
Net other comprehensive income (loss) before reclassifications		(8,005)	20,491
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax		(551)	(14,961)
Comprehensive Income (Loss), Reclassifications, Tax		204	5,542
Net reclassifications		(347)	(9,419)
Other comprehensive income (loss)		(8,352)	11,072
Balance, end of period		(2,466)	30,114
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	[2]	(856)	(15,276)
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	[2]	215	315
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Treasury Lock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	[3]	90
Accumulated Defined Benefit Plans Adjustment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period		(561,153)	(529,803)
Other comprehensive (loss) income before reclassifications		0	0
Income tax		0	0
Net other comprehensive income (loss) before reclassifications		0	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax		12,025	13,975
Comprehensive Income (Loss), Reclassifications, Tax		(4,454)	(5,177)
Net reclassifications		7,571	8,798
Other comprehensive income (loss)		7,571	8,798
Balance, end of period		(553,582)	(521,005)
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	[1]	(446)	695
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	[1]	$ 12,471	$ (14,670)

[1] Amounts reclassified are included in the computation of net periodic period cost. See Note 15 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 included in interest expense.