Segment, Geographic and Product Information - Company's Revenues by Product Groups (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 568,636	$ 622,424
Storage products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	437,901	488,469
Networking products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	92,603	107,022
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 38,132	$ 26,933