SUPPLEMENTAL FINANCIAL INFORMATION - Long-Term Inventories (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015
Long-term Inventories
Raw materials and purchased parts	$ 1,848	$ 3,208
Finished goods	5,235	3,856
Long-term inventories	$ 7,083	$ 7,064

Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(d))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_InventoryNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant