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Incentive Stock Plans - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Mar. 31, 2018
Sep. 29, 2018
Sep. 23, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation cost   $ 10,146 $ 6,489
Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period   3 years  
Performance-Based Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total number of performance shares adjusted (up or down)   25.00%  
Settlement percentage 152.00%    
Shares issued (in shares) 288,703    
Performance-Based Stock Units | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Target payout percentage   0.00%  
Final payout range   0.00%  
Performance-Based Stock Units | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Target payout percentage   200.00%  
Final payout range   250.00%