Quarterly report pursuant to Section 13 or 15(d)

Supplemental Equity Information - Summary of Changes in Carrying Amounts of Equity Attributable to Controlling Interest and Noncontrolling Interest (Details)

v3.19.1
Supplemental Equity Information - Summary of Changes in Carrying Amounts of Equity Attributable to Controlling Interest and Noncontrolling Interest (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 30, 2019
Dec. 29, 2018
Mar. 31, 2018
Dec. 30, 2017
Mar. 30, 2019
Mar. 31, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance $ 956,484 $ 952,834 $ 661,951 $ 637,142 $ 952,834 $ 637,142
Comprehensive income 42,934 1,365 46,000 26,494 44,299 72,494
Amortization of share-based awards 2,473 2,261 2,321 2,143    
Restricted share activity, including net share settlement (1,771) (386) (3,874) (2,397)    
Issuance of common stock, including net share settlement of stock options (819) 409 (1,296) 166    
Distribution to Noncontrolling interest     0 (1,597)    
Other 1          
Ending balance 999,302 956,484 705,102 661,951 999,302 705,102
Total            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance 956,263 952,449 661,889 635,686 952,449 635,686
Comprehensive income 42,603 1,529 45,468 26,291    
Amortization of share-based awards 2,473 2,261 2,321 2,143    
Restricted share activity, including net share settlement (1,771) (386) (3,874) (2,397)    
Issuance of common stock, including net share settlement of stock options (819) 409 (1,296) 166    
Ending balance 998,749 956,263 704,508 661,889 998,749 704,508
Additional Paid In Capital            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance 592,451 590,168 396,702 396,790 590,168 396,790
Amortization of share-based awards 2,473 2,261 2,321 2,143    
Restricted share activity, including net share settlement (1,773) (386) (3,873) (2,397)    
Issuance of common stock, including net share settlement of stock options (820) 408 (1,298) 166    
Ending balance 592,331 592,451 393,852 396,702 592,331 393,852
Retained Earnings            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance 364,726 362,923 265,576 239,329 362,923 239,329
Comprehensive income 42,391 1,803 45,234 26,247    
Ending balance 407,117 364,726 310,810 265,576 407,117 310,810
Accumulated Other Comprehensive Income (Loss)            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance (1,492) (1,218) (907) (951) (1,218) (951)
Comprehensive income 212 (274) 234 44    
Ending balance (1,280) (1,492) (673) (907) (1,280) (673)
Noncontrolling Interest            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance 221 385 62 1,456 385 1,456
Comprehensive income 331 (164) 532 203    
Distribution to Noncontrolling interest     0 (1,597)    
Other 1          
Ending balance 553 221 594 62 553 594
Common Stock            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance 121 121 122 122 121 122
Restricted share activity, including net share settlement     (1)      
Ending balance 121 121 121 122 121 121
Class A Common Stock            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance 441 439 380 380 439 380
Restricted share activity, including net share settlement 2 0        
Issuance of common stock, including net share settlement of stock options 1 1 2      
Ending balance 444 441 382 380 444 382
Class B Stock            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance 16 16 16 16 16 16
Ending balance $ 16 $ 16 $ 16 $ 16 $ 16 $ 16