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Nature of Operations and Significant Accounting Policies - Stock-Based Compensation (Details)
12 Months Ended
Dec. 29, 2018
Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Contractual terms of options granted 10 years
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Contractual terms of options granted 2 years
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Contractual terms of options granted 3 years
Performance Shares | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting percentage 0.00%
Performance Shares | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting percentage 250.00%
President and Chief Executive Officer | Performance Shares  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of consecutive trailing four-quarter periods for measurement 2