Sales to Major Customers (Details) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2018
USD ($)
|
Jul. 01, 2017 |
Jun. 30, 2018
USD ($)
customer
|
Jul. 01, 2017
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 | 12.00% | 16.00% | 16.00% | 20.00% |
| Sales Revenue, Net | Customer Concentration Risk | Major Customer Two | ||||
| Segment Reporting, Asset Reconciling Item | ||||
| Percent of consolidated revenue | 14.00% | 18.00% | 15.00% | 18.00% |
| Sales Revenue, Net | Customer Concentration Risk | Two Major Customers | ||||
| Segment Reporting, Asset Reconciling Item | ||||
| Accounts receivable from major customers | $ | $ 31.5 | $ 31.5 | ||
| X | ||||||||||
- Definition Number of major customers. No definition available.
|
| X | ||||||||||
- Definition For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition 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.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|