INCOME TAXES - Other (Details)	6 Months Ended
Jul. 01, 2017
State and Local Jurisdiction \| COLORADO
Tax credits
Tax credits carry-forward period	7 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_TaxCreditCarryforwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration