Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2013
Commitment And Contingencies [Line Items]
Amount delivered for plaintiff	$ 32.0
Percentage liable by company for plaintiff	60.00%
Estimated litigation loss, maximum	3.0
Maximum
Commitment And Contingencies [Line Items]
Estimated litigation loss, maximum	$ 5.0
Employment Practice Cases
Commitment And Contingencies [Line Items]
Number of pending claims	6
Casualty Cases
Commitment And Contingencies [Line Items]
Number of pending claims	5