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)

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Supplemental Equity Information - Summary of Changes in Carrying Amounts of Equity Attributable to Controlling Interest and Noncontrolling Interest (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Balance, Beginning balance $ 470,024 $ 464,883
Comprehensive loss (12,727) (15,389)
Stock based compensation 1,257  
Stock based compensation   1,030
Restricted share activity 56 (96)
Issuance of common stock 355 412
Repurchase of common stock 0 0
Tax benefit on stock option exercise 171 74
Distribution to Noncontrolling interest (633) (629)
Other      
Balance, Ending balance 458,503 450,285
Common Stock [Member] | Controlling Interest [Member]
    
Balance, Beginning balance 122 122
Repurchase of common stock 0 0
Other      
Balance, Ending balance 122 122
Class A Common Stock [Member] | Controlling Interest [Member]
    
Balance, Beginning balance 353 347
Restricted share activity 1  
Repurchase of common stock 0 0
Other      
Balance, Ending balance 354 347
Class B Common Stock [Member] | Controlling Interest [Member]
    
Balance, Beginning balance 16 16
Other      
Balance, Ending balance 16 16
Additional Paid In Capital [Member] | Controlling Interest [Member]
    
Balance, Beginning balance 389,153 382,195
Stock based compensation 1,257  
Stock based compensation   1,030
Restricted share activity 55 (96)
Issuance of common stock 355 412
Repurchase of common stock 0 0
Tax benefit on stock option exercise 171 74
Other      
Balance, Ending balance 390,991 383,615
Retained Earnings [Member] | Controlling Interest [Member]
    
Balance, Beginning balance 77,592 79,718
Comprehensive loss (12,708) (15,269)
Repurchase of common stock 0 0
Other      
Balance, Ending balance 64,884 64,449
Accumulated Other Comprehensive Income [Member] | Controlling Interest [Member]
    
Balance, Beginning balance 1,442 1,539
Comprehensive loss 85 (42)
Other      
Balance, Ending balance 1,527 1,497
Total [Member] | Controlling Interest [Member]
    
Balance, Beginning balance 468,678 463,937
Comprehensive loss (12,623) (15,311)
Stock based compensation 1,257  
Stock based compensation   1,030
Restricted share activity 56 (96)
Issuance of common stock 355 412
Repurchase of common stock 0 0
Tax benefit on stock option exercise 171 74
Other      
Balance, Ending balance 457,894 450,046
Noncontrolling Interest [Member]
    
Balance, Beginning balance 1,346 946
Comprehensive loss (104) (78)
Distribution to Noncontrolling interest (633) (629)
Other      
Balance, Ending balance $ 609 $ 239