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Employee and Director Benefit Plans (Tables)
12 Months Ended
Dec. 29, 2018
Retirement Benefits [Abstract]  
Contributions to defined contribution plans
Cadence’s total contributions made to these plans during fiscal 2018, 2017 and 2016 were as follows:
 
2018
 
2017
 
2016
 
(In thousands)
Contributions to defined contribution plans
$
25,731

 
$
26,010

 
$
24,185

Net recognized gains of trading securities
Net recognized gains (losses) of these securities during fiscal 2018, 2017 and 2016 were as follows:
 
2018
 
2017
 
2016
 
(In thousands)
Gains (losses) on securities held in NQDC trust
$
(1,471
)
 
$
6,145

 
$
1,741

Unfunded projected benefit obligations - defined benefit retirement plans
The unfunded projected benefit obligation for these retirement plans as of December 29, 2018, December 30, 2017 and December 31, 2016 was as follows:
 
December 29,
2018
 
December 30,
2017
 
December 31,
2016
 
(In thousands)
Unfunded projected benefit obligation - defined benefit retirement plans
$
7,990

 
$
6,976

 
$
6,164