Organization and Significant Accounting Policies - Customers as Percentage of Total Sales (Parenthetical) (Detail) (Intuitive Surgical, Inc. [Member], Customer concentration risk [Member], Sales [Member])	3 Months Ended
	Mar. 28, 2014
Intuitive Surgical, Inc. [Member] | Customer concentration risk [Member] | Sales [Member]
Concentration Risk [Line Items]
Percentage of sales to this customer	10.00%