Restructuring And Other Impairment Charges (Schedule Of Restructuring And Other Impairment Charges) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 27, 2009	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Long Lived Assets Held-for-sale [Line Items]
Restructuring charges		$ 461	$ 2,875	$ 7,033
Aggregate impairment charges - investments and certain fixed assets	3,300	2,497		3,356
Restructuring and other impairment charges		7,092	2,875	10,347
2011 Restructuring Program [Member]
Long Lived Assets Held-for-sale [Line Items]
Restructuring charges		4,134
2007 Arrow Integration Program [Member]
Long Lived Assets Held-for-sale [Line Items]
Restructuring charges		461	2,875	6,991
Aggregate impairment charges - investments and certain fixed assets				$ 42