Other Comprehensive Income (Components Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Accumulated Other Comprehensive Income [Roll Forward]
Net unrealized loss on derivative instruments, net of tax, beginning balance			$ (630)	$ (270)
Beginning balance, Foreign Currency Translation Adjustment, Net of Tax			0	(737)
Beginning balance, Accumulated other comprehensive income			(630)	(1,007)
Other comprehensive (loss)/gain before reclassifications, cash flow hedge			(1,946)	(252)
Other comprehensive (loss)/gain before reclassifications, foreign currency translation			(17,415)	(447)
Total other comprehensive (income)/loss	$ (24,569)	$ 845	(19,042)	(443)
Losses reclassified from accumulated other comprehensive income, cash flow hedge			319	256
Losses reclassified from accumulated other comprehensive income, foreign currency translation			0	0
Derivatives qualifying as hedges, net of tax, portion attributable to parent	(503)	845	(1,627)	4
Foreign currency translation adjustment	(24,066)	0	(17,415)	(447)
Net unrealized loss on derivative instruments, net of tax, ending balance	(2,257)	(266)	(2,257)	(266)
Ending balance, Foreign Currency Translation Adjustment, Net of Tax	(17,415)	(1,184)	(17,415)	(1,184)
Ending balance, Accumulated other comprehensive income	$ (19,672)	$ (1,450)	(19,672)	(1,450)
Other Comprehensive Income Loss Before Reclassifications
Accumulated Other Comprehensive Income [Roll Forward]
Total other comprehensive (income)/loss			(19,361)	(699)
Income Loss Reclassified from Other Comprehensive Income
Accumulated Other Comprehensive Income [Roll Forward]
Total other comprehensive (income)/loss			$ 319	$ 256