Employee Benefit Plans - Schedule of Net Periodic Benefit Cost of Swiss Plan (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Net Periodic Benefit Cost, Total	$ 100	$ 300	$ 400
Swiss Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net Periodic Benefit Cost, Total	972
Swiss Plan [Member] | Net Periodic Benefit Costs [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	841
Interest cost	398
Expected return on assets	$ (267)