Segment, Geographic and Product Information - Company's Revenues by Product Groups (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Revenue from External Customer [Line Items]
Revenues	$ 606,943	$ 623,962	$ 1,765,162	$ 1,905,959
Storage products [Member]
Revenue from External Customer [Line Items]
Revenues	469,609	492,600	1,364,755	1,515,766
Networking products [Member]
Revenue from External Customer [Line Items]
Revenues	108,833	105,849	305,932	311,651
Other [Member]
Revenue from External Customer [Line Items]
Revenues	$ 28,501	$ 25,513	$ 94,475	$ 78,542