Goodwill And Other Intangible Assets (Components Of Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified													9 Months Ended
	Sep. 28, 2014	Dec. 29, 2013	Sep. 28, 2014 Customer Lists	Dec. 29, 2013 Customer Lists	Sep. 28, 2014 Trade Name	Dec. 29, 2013 Trade Name	Sep. 28, 2014 Patents, License Agreements	Dec. 29, 2013 Patents, License Agreements	Sep. 28, 2014 Software and Software Development Costs	Dec. 29, 2013 Software and Software Development Costs	Sep. 28, 2014 Other Intangibles	Dec. 29, 2013 Other Intangibles	Sep. 28, 2014 Minimum Customer Lists	Sep. 28, 2014 Minimum Trade Name	Sep. 28, 2014 Minimum Patents, License Agreements	Sep. 28, 2014 Minimum Software and Software Development Costs	Sep. 28, 2014 Minimum Other Intangibles	Sep. 28, 2014 Maximum Customer Lists	Sep. 28, 2014 Maximum Trade Name	Sep. 28, 2014 Maximum Patents, License Agreements	Sep. 28, 2014 Maximum Software and Software Development Costs	Sep. 28, 2014 Maximum Other Intangibles
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, amortizable life minimum (years)													6 years	1 year	3 years	3 years	2 years	20 years	30 years	14 years	7 years	6 years
Finite-lived customer lists, Gross Amount			$ 80,453	$ 83,063
Finite-lived trade name, Gross Amount					28,222	30,256
Finite-lived patents, license agreements, Gross Amount							59,309	61,820
Finite-Lived Internal-use Software, Gross Amount									24,127	24,039
Finite-lived other intangible assets, Gross Amount											7,099	7,132
Total amortized finite-lived intangible assets, Gross Amount	199,210	206,310
Indefinite-lived trade names, Gross Amount					21,376	21,376
Total identifiable intangible assets, Gross Amount	220,586	227,686
Total amortized finite-lived intangible assets, Gross Accumulated Amortization	151,544	149,520	58,685	56,798	18,543	19,346	53,200	54,225	14,194	12,358	6,922	6,793
Total identifiable intangible assets accumulated amortization	$ 151,544	$ 149,520