Quarterly report pursuant to Section 13 or 15(d)

Sales to Major Customers (Detail)

v3.7.0.1
Sales to Major Customers (Detail)
$ in Millions
3 Months Ended
Apr. 01, 2017
USD ($)
customer
Apr. 02, 2016
customer
Segment Reporting, Asset Reconciling Item    
Number of major customers | customer 2 2
Sales Revenue, Net | Customer Concentration Risk | Major Customer One    
Segment Reporting, Asset Reconciling Item    
Percent of consolidated revenue 24.00% 22.00%
Sales Revenue, Net | Customer Concentration Risk | Major Customer Two    
Segment Reporting, Asset Reconciling Item    
Percent of consolidated revenue 18.00% 15.00%
Sales Revenue, Net | Customer Concentration Risk | Two Major Customers    
Segment Reporting, Asset Reconciling Item    
Accounts receivable from major customers | $ $ 39.8