XML 66 R53.htm IDEA: XBRL DOCUMENT v3.21.2
Supplemental Stockholders' Equity Information - Narrative (Details) - USD ($)
6 Months Ended
Jun. 27, 2021
Dec. 31, 2015
Class of Stock [Line Items]    
Stock repurchase program, remaining authorized repurchase amount $ 16,200,000  
Class A Common Stock    
Class of Stock [Line Items]    
Stock repurchase program, authorized amount   $ 101,100,000
Share repurchases $ 84,900,000