Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation - Additional Information (Details)

v3.19.1
Stockholders' Equity and Share-Based Compensation - Additional Information (Details) - USD ($)
shares in Thousands
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Amounts capitalized to internally-developed software $ 49,000 $ 56,000  
Tax benefit valuation allowance recognized $ 0 $ 0  
Stock options outstanding (in shares) 6,097 5,933 6,129
AutoMd 2014 Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options outstanding (in shares)     1,405