XML 15 R33.htm IDEA: XBRL DOCUMENT v3.3.0.814
COMMITMENTS AND CONTINGENCIES - Narrative (Details)
$ in Thousands, CAD in Millions
9 Months Ended
Sep. 27, 2015
USD ($)
Sep. 27, 2015
CAD
Dec. 31, 2014
USD ($)
Guarantor Obligations [Line Items]      
Length of product warranty on system sales 12 months    
Restricted cash $ 1,811   $ 1,993
Vortek Industries      
Guarantor Obligations [Line Items]      
Royalty guarantees payments, percentage of net sales from certain Flash RTP products 1.40% 1.40%  
Vortek Industries | Royalty Agreements      
Guarantor Obligations [Line Items]      
Potential cash payment to Canadian Minister of Industries from certain Flash RTP products in connection with acquisition of Vortek Industries, Ltd. $ 10,700 CAD 14.3  
Royalty charges to date | CAD   CAD 0.6  
Financial Standby Letter of Credit      
Guarantor Obligations [Line Items]      
Total amount of outstanding standby letters of credit $ 1,700