Provision For Restructuring (Schedule Of Restructuring Accrual Activity) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 27, 2016	Mar. 29, 2015
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year	$ 8,664
Charged to Earnings	1,128
Charge Reversed to Earnings	(696)
Cash Payments	(1,525)
Exchange Rate Changes	43
Accrual at March 27, 2016	7,614
Restructuring expense	432	$ 1,304
Other exit costs
Restructuring Reserve [Roll Forward]
Restructuring expense	100
Profit Enhancement Plan
Restructuring Reserve [Roll Forward]
Restructuring expense	400
Severance costs	(332)	(1,346)
Profit Enhancement Plan \| Severance and other employee-related charges
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year	8,142
Charged to Earnings	1,028
Charge Reversed to Earnings	(696)
Cash Payments	(1,242)
Exchange Rate Changes	36
Accrual at March 27, 2016	7,268
Severance costs	(700)
Profit Enhancement Plan \| Other exit costs
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year	12
Charged to Earnings	70
Charge Reversed to Earnings	0
Cash Payments	(82)
Exchange Rate Changes	0
Accrual at March 27, 2016	0
Global Restructuring Plan (including LEAN)
Restructuring Reserve [Roll Forward]
Restructuring expense	30
Severance costs	(28)	$ 89
Global Restructuring Plan (including LEAN) \| Severance and other employee-related charges
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year	457
Charged to Earnings	28
Charge Reversed to Earnings	0
Cash Payments	(199)
Exchange Rate Changes	6
Accrual at March 27, 2016	292
Global Restructuring Plan (including LEAN) \| Other exit costs
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year	0
Charged to Earnings	2
Charge Reversed to Earnings	0
Cash Payments	(2)
Exchange Rate Changes	0
Accrual at March 27, 2016	0
SG&A Restructuring Plan \| Severance and other employee-related charges
Restructuring Reserve [Roll Forward]
Accrual at Beginning of Year	53
Charged to Earnings	0
Charge Reversed to Earnings	0
Cash Payments	0
Exchange Rate Changes	1
Accrual at March 27, 2016	$ 54

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Restructuring Reserve, Charged To Earnings

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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-Publisher FASB
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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