Commitments and Contingencies - Additional Information (Detail) (USD $)	0 Months Ended	1 Months Ended					3 Months Ended			6 Months Ended		12 Months Ended	18 Months Ended	24 Months Ended
	Jul. 03, 2012	Mar. 16, 2012	Dec. 16, 2011 Patents	Dec. 15, 2011 Patents	Oct. 12, 2011 Patents	Oct. 06, 2011 Patents	Dec. 29, 2013	Dec. 30, 2012	Sep. 30, 2012	Dec. 29, 2013	Dec. 30, 2012	Jul. 01, 2012	Dec. 29, 2013	Dec. 29, 2013	Aug. 03, 2011 Patents	May 31, 2011 Patents	Oct. 14, 2010 Patents	Feb. 23, 2010 Patents	Sep. 14, 2009 Patents
Contingencies And Commitments [Line Items]
Number of patents involved in the Broadcom infringement lawsuit																			10
Number of additional patents involved in the infringement lawsuit in the first amendment																		1
Number of patents dismissed from case															1	2	3
Remaining number of patents					4	6									6	7
Number of patents settled partially						2
Number of patents for which judgments were issued			1	2		1
Loss contingency					$ 400,000
Sunset period related to '150 and '691 patents			18 months		18 months
Sunset period royalty rate		9.00%
Settlement amount per Patent License and Release Agreement	58,000,000
Payment for settlement agreement									58,000,000
Litigation settlement expense												36,800,000
Unamortized prepaid license fees							15,100,000			15,100,000		21,200,000	15,100,000	15,100,000
License term for amortization of prepaid license fees												10 years
Amortization expense for patent prepaid license fees and sunset period royalty							1,000,000	1,000,000		2,000,000	2,000,000
Recorded expenses related to incremental mitigation, product redesign and appeal							900,000			3,400,000				15,600,000
Royalty payments recorded to cost of sales							1,300,000			1,800,000			2,700,000
Uncertain tax position liabilities							42,700,000			42,700,000			42,700,000	42,700,000
Outstanding letters of credit							700,000			700,000			700,000	700,000
Restricted cash deposits							200,000			200,000			200,000	200,000
Mitigation, product redesign and appeal related expenses [Member]
Contingencies And Commitments [Line Items]
Estimated incremental litigation-related expenses during fiscal 2014, minimum							2,000,000			2,000,000			2,000,000	2,000,000
Estimated incremental litigation-related expenses during fiscal 2014, maximum							4,000,000			4,000,000			4,000,000	4,000,000
Customer royalty reimbursements [Member]
Contingencies And Commitments [Line Items]
Estimated incremental litigation-related expenses during fiscal 2014, minimum							1,000,000			1,000,000			1,000,000	1,000,000
Estimated incremental litigation-related expenses during fiscal 2014, maximum							4,000,000			4,000,000			4,000,000	4,000,000
Prepaid expenses and other current assets [Member]
Contingencies And Commitments [Line Items]
Unamortized prepaid license fees							3,900,000			3,900,000			3,900,000	3,900,000
Other assets [Member]
Contingencies And Commitments [Line Items]
Unamortized prepaid license fees							11,200,000			11,200,000			11,200,000	11,200,000
Unsecured outstanding letters of credit [Member]
Contingencies And Commitments [Line Items]
Outstanding letters of credit							$ 500,000			$ 500,000			$ 500,000	$ 500,000