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Selected Quarterly Financial Data (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Selected Quarterly Financial Information Data
 
Quarter Ended
 
April 1, 2018
 
July 1, 2018
 
September 30, 2018
 
December 31,
2018
 
(In thousands, except per share amounts)
Revenue
$
169,567

 
$
211,264

 
$
232,221

 
$
193,286

Gross margin
129,369

 
157,095

 
173,361

 
140,461

Operating income
34,596

 
63,455

 
77,844

 
45,247

 
 
 
 
 
 
 
 
Net income
$
37,217

 
$
56,196

 
$
80,436

 
$
45,418

 
 
 
 
 
 
 
 
Basic net income per share
$
0.21

 
$
0.33

 
$
0.47

 
$
0.26

Diluted net income per share
$
0.21

 
$
0.32

 
$
0.45

 
$
0.26

 
Quarter Ended
 
April 2, 2017
 
July 2, 2017
 
October 1, 2017
 
December 31,
2017
 
(In thousands, except per share amounts)
Revenue
$
139,039

 
$
178,080

 
$
266,042

 
$
182,922

Gross margin
106,507

 
135,916

 
197,981

 
138,390

Operating income
37,216

 
60,021

 
110,849

 
50,775

 
 
 
 
 
 
 
 
Net income (loss)
$
45,471

 
$
56,495

 
$
102,493

 
$
(27,747
)
 
 
 
 
 
 
 
 
Basic net income (loss) per share (1)
$
0.26

 
$
0.33

 
$
0.59

 
$
(0.16
)
Diluted net income (loss) per share (1) (2)
$
0.25

 
$
0.32

 
$
0.57

 
$
(0.16
)