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)

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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. 26, 2016
Mar. 28, 2015
Mar. 26, 2016
Mar. 28, 2015
Class of Stock [Line Items]        
Beginning balance     $ 506,380 $ 486,453
Comprehensive loss $ 32,976 $ 23,354 24,120 17,119
Amortization of share-based awards     2,986 2,771
Restricted share activity     (578) (640)
Issuance of common stock     (552) 732
Repurchase of common stock       (15,123)
Tax benefit on stock option exercise, net of tax deficiency     1,177 351
Distribution to Noncontrolling interest     (592) (1,680)
Other     1  
Ending balance 532,942 489,983 532,942 489,983
Additional Paid In Capital        
Class of Stock [Line Items]        
Beginning balance     388,636 396,586
Amortization of share-based awards     2,986 2,771
Restricted share activity     (580) (638)
Issuance of common stock     (554) 730
Repurchase of common stock       (12,726)
Tax benefit on stock option exercise, net of tax deficiency     1,177 351
Ending balance 391,665 387,074 391,665 387,074
Retained Earnings        
Class of Stock [Line Items]        
Beginning balance     115,987 86,396
Comprehensive loss     24,095 17,540
Repurchase of common stock       (2,380)
Ending balance 140,082 101,556 140,082 101,556
Accumulated Other Comprehensive Income        
Class of Stock [Line Items]        
Beginning balance     164 1,232
Comprehensive loss     (692) (1,168)
Ending balance (528) 64 (528) 64
Total        
Class of Stock [Line Items]        
Beginning balance     505,286 484,723
Comprehensive loss     23,403 16,372
Amortization of share-based awards     2,986 2,771
Restricted share activity     (578) (640)
Issuance of common stock     (552) 732
Repurchase of common stock       (15,123)
Tax benefit on stock option exercise, net of tax deficiency     1,177 351
Ending balance 531,722 489,186 531,722 489,186
Noncontrolling Interest        
Class of Stock [Line Items]        
Beginning balance     1,094 1,730
Comprehensive loss     717 747
Distribution to Noncontrolling interest     (592) (1,680)
Other     1  
Ending balance 1,220 797 1,220 797
Common Stock        
Class of Stock [Line Items]        
Beginning balance     119 124
Repurchase of common stock       (5)
Ending balance 119 119 119 119
Class A Common Stock        
Class of Stock [Line Items]        
Beginning balance     364 369
Restricted share activity     2 (2)
Issuance of common stock     2 2
Repurchase of common stock       (12)
Ending balance 368 357 368 357
Class B Stock        
Class of Stock [Line Items]        
Beginning balance     16 16
Ending balance $ 16 $ 16 $ 16 $ 16