Revenue by Major Product Group (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Revenue from External Customer [Line Items]
Revenues	$ 490,367	$ 519,713	$ 1,438,700	$ 1,517,592
Cable products [Member]
Revenue from External Customer [Line Items]
Revenues	329,531	365,967	1,004,211	1,063,592
Networking products [Member]
Revenue from External Customer [Line Items]
Revenues	100,424	79,362	237,519	232,151
Connectivity products [Member]
Revenue from External Customer [Line Items]
Revenues	$ 60,412	$ 74,384	$ 196,970	$ 221,849