Segment and Geographic Information - Summary of Distributors Accounted for Ten Percent of Net Accounts Receivable (Detail) (More Than Ten Percentage [Member])	Dec. 30, 2012		Apr. 01, 2012
Distributor A [Member]
Segment Reporting Information [Line Items]
Account receivable net percentage	18.00%		29.00%
Distributor B [Member]
Segment Reporting Information [Line Items]
Account receivable net percentage		[1]	14.00%
Distributor D [Member]
Segment Reporting Information [Line Items]
Account receivable net percentage	10.00%		10.00%
Customer A [Member]
Segment Reporting Information [Line Items]
Account receivable net percentage	16.00%			[1]

[1] Accounts receivable for this distributor or customer for this period were less than 10% of total account balance.