Provision For Restructuring (Schedule Of Restructuring Accrual Activity) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 23, 2012	Jun. 24, 2012	Mar. 25, 2012	Jun. 30, 2013	Jun. 24, 2012	Sep. 29, 2013	Sep. 23, 2012	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year			$ 9,579			$ 17,612	$ 9,579	$ 17,612	$ 9,579	$ 17,612	$ 9,579	$ 17,612
Charged to Earnings											12,360	27,806
Charge Reversed to Earnings											(2,704)	(5,874)
Cash Payments											(11,240)	(30,035)
Exchange Rate Changes											180	70
Accrual at End of Year											8,175	9,579	17,612
Restructuring expenses	937	1,629	2,016	4,112	21,266	1,718	3,645	22,984	4,582	27,096	10,866	28,438	28,640
Global Restructuring Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses											11,000
Restructing reserve, severance costs reversed to earnings											7,421	16,945	11,115
Global Restructuring Plan [Member] | Severance And Other Employee-Related Charges [Member]
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year			7,752			9,710	7,752	9,710	7,752	9,710	7,752	9,710
Charged to Earnings											9,799	21,558
Charge Reversed to Earnings											(2,378)	(4,613)
Cash Payments											(7,469)	(19,044)
Exchange Rate Changes											197	141
Accrual at End of Year											7,901	7,752
Global Restructuring Plan [Member] | Other Exit Costs [Member]
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year			460			0	460	0	460	0	460	0
Charged to Earnings											2,389	5,084
Charge Reversed to Earnings											0	0
Cash Payments											(2,763)	(4,616)
Exchange Rate Changes											(20)	(8)
Accrual at End of Year											66	460
SG&A Restructuring Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses											(200)
Restructing reserve, severance costs reversed to earnings											(222)	(86)	7,015
SG&A Restructuring Plan [Member] | Severance And Other Employee-Related Charges [Member]
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year			1,206			6,718	1,206	6,718	1,206	6,718	1,206	6,718
Charged to Earnings											104	1,100
Charge Reversed to Earnings											(326)	(1,186)
Cash Payments											(780)	(5,363)
Exchange Rate Changes											4	(63)
Accrual at End of Year											208	1,206
SG&A Restructuring Plan [Member] | Other Exit Costs [Member]
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year			161			1,109	161	1,109	161	1,109	161	1,109
Charged to Earnings											68	64
Charge Reversed to Earnings											0	0
Cash Payments											(228)	(1,012)
Exchange Rate Changes											(1)	0
Accrual at End of Year											0	161
Restructuring expenses											100	100
Restructing reserve, severance costs reversed to earnings											(2,700)	(5,800)
Global Restructuring Plan Including Lean [Member] | Other Exit Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses											2,400	5,100
Manufacturing Restructuring Plan [Member]
Restructuring Reserve [Roll Forward]
Restructing reserve, severance costs reversed to earnings											0	0	(146)
Manufacturing Restructuring Plan [Member] | Other Exit Costs [Member]
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year						75		75		75		75
Charged to Earnings												0
Charge Reversed to Earnings												(75)
Cash Payments												0
Exchange Rate Changes												0
Accrual at End of Year												$ 0