The percentage of net product revenue to total net revenue from the sale of goods as of year end.

No definition available.

Name:	us-gaap_SalesRevenueGoodsNetPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Segment and Related Information - Summary of Semiconductor Equipment Net Sales (Detail)	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Intel [Member]
Segment Reporting Information [Line Items]
Net sales	39.00%	36.00%	26.00%
Texas Instruments [Member]
Segment Reporting Information [Line Items]
Net sales		11.00%	14.00%