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 (Detail)

v3.3.1.900
Supplemental Equity Information - Summary of Changes in Carrying Amounts of Equity Attributable to Controlling Interest and Noncontrolling Interest (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 26, 2015
Dec. 27, 2014
Class of Stock [Line Items]    
Beginning balance $ 506,380 $ 486,453
Comprehensive income (loss) (8,856) (6,255)
Amortization of share-based awards 1,625 1,080
Restricted share activity (216) (145)
Issuance of common stock (358) 470
Repurchase of common stock   (5,107)
Tax benefit on stock option exercise, net of tax deficiency 898 40
Distribution to Noncontrolling interest (592) (1,680)
Ending balance 498,881 474,856
Additional Paid In Capital [Member]    
Class of Stock [Line Items]    
Beginning balance 388,636 396,586
Amortization of share-based awards 1,625 1,080
Restricted share activity (216) (144)
Issuance of common stock (360) 470
Repurchase of common stock   (4,538)
Tax benefit on stock option exercise, net of tax deficiency 898 40
Ending balance 390,583 393,494
Retained Earnings [Member]    
Class of Stock [Line Items]    
Beginning balance 115,987 86,396
Comprehensive income (loss) (8,602) (5,697)
Repurchase of common stock   (563)
Ending balance 107,385 80,136
Accumulated Other Comprehensive Income [Member]    
Class of Stock [Line Items]    
Beginning balance 164 1,232
Comprehensive income (loss) (233) (562)
Ending balance (69) 670
Total [Member]    
Class of Stock [Line Items]    
Beginning balance 505,286 484,723
Comprehensive income (loss) (8,835) (6,259)
Amortization of share-based awards 1,625 1,080
Restricted share activity (216) (145)
Issuance of common stock (358) 470
Repurchase of common stock   (5,107)
Tax benefit on stock option exercise, net of tax deficiency 898 40
Ending balance 498,400 474,802
Noncontrolling Interest [Member]    
Class of Stock [Line Items]    
Beginning balance 1,094 1,730
Comprehensive income (loss) (21) 4
Distribution to Noncontrolling interest (592) (1,680)
Ending balance 481 54
Common Stock [Member]    
Class of Stock [Line Items]    
Beginning balance 119 124
Repurchase of common stock   (2)
Ending balance 119 122
Class A Common Stock [Member]    
Class of Stock [Line Items]    
Beginning balance 364 369
Restricted share activity   (1)
Issuance of common stock 2  
Repurchase of common stock   (4)
Ending balance 366 364
Class B Stock [Member]    
Class of Stock [Line Items]    
Beginning balance 16 16
Ending balance $ 16 $ 16