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Correction of Immaterial Errors in Prior Period Financial Statements (Tables)
 3 Months Ended
Apr. 26, 2020
Accounting Changes and Error Corrections [Abstract]  
Immaterial Restatement of Prior Period Financial Statements
The impact of the corrections on the Company's Statements of Income and Statements of Comprehensive Income for the three months ended April 28, 2019, are presented in the table below:
 
Three Months Ended
 
April 28, 2019
(in thousands)
As Reported
 
As Corrected
Selling, general and administrative
$
38,377

 
$
38,972

Product development and engineering
$
27,099

 
$
27,154

Total operating costs and expenses
$
68,458

 
$
69,108

Operating income
$
12,817

 
$
12,167

Income before taxes and equity in net losses of equity method investments
$
11,393

 
$
10,743

Benefit for income taxes
$
(2,312
)
 
$
(2,416
)
Net income before equity in net losses of equity method investments
$
13,705

 
$
13,159

Net income
$
13,294

 
$
12,748

Earnings per share:
 
 
 
Basic
$
0.20

 
$
0.19

Diluted
$
0.20

 
$
0.19

 
 
 
 
Comprehensive income
$
13,282

 
$
12,736