Fair Value Measurement, Financial Instruments And Risk Management (Narrative) (Details) (USD $)	9 Months Ended					3 Months Ended		9 Months Ended				9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Dec. 29, 2013	Sep. 28, 2014 Foreign currency forward exchange contracts	Dec. 29, 2013 Foreign currency forward exchange contracts	Sep. 28, 2014 Global Restructuring Plan (including LEAN)	Sep. 29, 2013 Global Restructuring Plan (including LEAN)	Sep. 28, 2014 Global Restructuring Plan (including LEAN)	Sep. 29, 2013 Global Restructuring Plan (including LEAN)	Sep. 28, 2014 Fair Value, Measurements, Nonrecurring Global Restructuring Plan (including LEAN)	Sep. 29, 2013 Fair Value, Measurements, Nonrecurring Global Restructuring Plan (including LEAN)	Sep. 28, 2014 Fair Value, Measurements, Nonrecurring Lease termination liabilities	Sep. 29, 2013 Fair Value, Measurements, Nonrecurring Lease termination liabilities	Sep. 28, 2014 Fair Value, Measurements, Nonrecurring Impairment of certain long-lived assets	Sep. 29, 2013 Fair Value, Measurements, Nonrecurring Impairment of certain long-lived assets
Fair Value Disclosures [Line Items]
Other restructuring costs						$ 10,000	$ 323,000	$ 252,000	$ 1,940,000			$ 12,000	$ 200,000
Fair value adjustment												13,000	100,000
Restructuring reserve	4,177,000		8,175,000									64,000	400,000
Restructuring related asset impairment	172,000	731,000				0	0	172,000	731,000
Carrying amount of assets	75,018,000		75,067,000											200,000	1,100,000
Fair value of assets										21,000	400,000
Notional amount of derivatives not designated as hedging instruments				11,900,000
Total assets	374,000		0	374,000	0
Total liabilities	$ 298,000		$ 18,000	$ 298,000	$ 18,000