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Deferred Revenue and Other Contract-Related Liabilities Deferred Revenue and Other Contract-Related Liabilities
12 Months Ended
Dec. 29, 2018
Revenue Recognition and Deferred Revenue [Abstract]  
Deferred Revenue and Other Contract-Related Liabilities
Deferred Revenue and Other Contract Liabilities
Deferred revenue and other contract liabilities consist of the following (in thousands):
 
December 29,
2018
 
December 30,
2017
As Adjusted
Accrued customer reimbursements
$
16,194

 
$
16,896

Deferred revenue
10,883

 
11,589

Accrued rebates and incentives
6,282

 
3,598

Other
432

 
259

     Total deferred revenue and other contract liabilities
33,791

 
32,342

Less: Non-current portion of deferred revenue
(685
)
 
(237
)
     Deferred revenue and other contract liabilities - current
$
33,106

 
$
32,105


Deferred revenue relates to contracted amounts that have been invoiced to customers for which remaining performance obligations must be completed before the Company can recognize the revenue. These amounts primarily relate to undelivered equipment, sensors and services under deferred equipment agreements, extended warranty agreements and NRE service agreements.
Changes in deferred revenue for the year ended December 29, 2018 were as follows:
 
December 29,
2018
Deferred revenue, beginning of the period
$
11,589

  Revenue deferred during the period
11,356

  Recognition of revenue deferred in prior periods
(12,062
)
     Deferred revenue, end of the period
$
10,883


Expected revenue from remaining contractual performance obligations (Unrecognized Contract Revenue) includes deferred revenue, as well as other amounts that will be invoiced and recognized as revenue in future periods, when the Company completes its performance obligations. While Unrecognized Contract Revenue is similar in concept to backlog, Unrecognized Contract Revenue excludes revenue allocable to monitoring-related equipment that is effectively leased to hospitals under deferred equipment agreements and other contractual obligations for which neither party has performed.
The following table summarizes the Company’s estimated Unrecognized Contract Revenue as of December 29, 2018 and the future periods within which the Company expects to recognize such revenue.
 
Expected Future Revenue By Period
(in thousands)
 
Less than
1 year
 
 Between
1-3 years
 
 Between
 3-5 years
 
More than
5 years
 
Total
Unrecognized Contract Revenue
$
194,151

 
$
271,477

 
$
128,116

 
$
36,688

 
$
630,432