Segment Information - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014 Customer	Mar. 30, 2013 Customer	Dec. 28, 2013
Segment Reporting Information [Line Items]
Goodwill	$ 31,134	$ 57,470	$ 31,134
Number of customers accounting for 10 percent or more of total revenue	0	0
No single customer accounted for benchmark percentage to be considered major customer	10.00%	10.00%
Transportation Logistics
Segment Reporting Information [Line Items]
Goodwill	31,134	57,470
Transportation Logistics | Discontinued Operations
Segment Reporting Information [Line Items]
Goodwill		$ 26,336