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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 | 9 Months Ended | 9 Months Ended | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 28, 2014
|
Jun. 29, 2013
|
Jun. 28, 2014
|
Jun. 29, 2013
|
Jun. 28, 2014
Additional Paid In Capital [Member]
Controlling Interest [Member]
|
Jun. 29, 2013
Additional Paid In Capital [Member]
Controlling Interest [Member]
|
Jun. 28, 2014
Retained Earnings [Member]
Controlling Interest [Member]
|
Jun. 29, 2013
Retained Earnings [Member]
Controlling Interest [Member]
|
Jun. 28, 2014
Accumulated Other Comprehensive Income [Member]
Controlling Interest [Member]
|
Jun. 29, 2013
Accumulated Other Comprehensive Income [Member]
Controlling Interest [Member]
|
Jun. 28, 2014
Total [Member]
Controlling Interest [Member]
|
Jun. 29, 2013
Total [Member]
Controlling Interest [Member]
|
Jun. 28, 2014
Noncontrolling Interest [Member]
|
Jun. 29, 2013
Noncontrolling Interest [Member]
|
Jun. 28, 2014
Common Stock [Member]
Controlling Interest [Member]
|
Jun. 29, 2013
Common Stock [Member]
Controlling Interest [Member]
|
Sep. 29, 2012
Common Stock [Member]
Controlling Interest [Member]
|
Jun. 28, 2014
Class A Common Stock [Member]
Controlling Interest [Member]
|
Jun. 29, 2013
Class A Common Stock [Member]
Controlling Interest [Member]
|
Jun. 28, 2014
Class B Stock [Member]
Controlling Interest [Member]
|
Sep. 28, 2013
Class B Stock [Member]
Controlling Interest [Member]
|
Jun. 29, 2013
Class B Stock [Member]
Controlling Interest [Member]
|
Sep. 29, 2012
Class B Stock [Member]
Controlling Interest [Member]
|
|
| Beginning balance | $ 470,024 | $ 464,883 | $ 389,153 | $ 382,195 | $ 77,592 | $ 79,718 | $ 1,442 | $ 1,539 | $ 468,678 | $ 463,937 | $ 1,346 | $ 946 | $ 122 | $ 122 | $ 122 | $ 353 | $ 347 | $ 16 | $ 16 | $ 16 | $ 16 | ||
| Comprehensive income (loss) | 5,673 | 14,314 | 14,437 | 21,320 | 12,874 | 20,652 | 426 | (699) | 13,300 | 19,953 | 1,137 | 1,367 | |||||||||||
| Stock based compensation | 3,734 | 3,489 | 3,734 | 3,489 | 3,734 | 3,489 | |||||||||||||||||
| Restricted share activity | 3,950 | 2,482 | 3,940 | 2,478 | 3,950 | 2,482 | 1 | 9 | 4 | ||||||||||||||
| Issuance of common stock | 998 | 1,241 | 995 | 1,240 | 998 | 1,241 | 3 | 1 | |||||||||||||||
| Repurchase of common stock | (1,501) | (1,304) | (197) | (1,501) | |||||||||||||||||||
| Tax benefit on stock option exercise | 422 | 345 | 422 | 345 | 422 | 345 | |||||||||||||||||
| Distribution to Noncontrolling interest | (633) | (629) | (633) | (629) | |||||||||||||||||||
| Ending balance | $ 492,932 | $ 491,630 | $ 492,932 | $ 491,630 | $ 398,244 | $ 388,443 | $ 90,466 | $ 100,173 | $ 1,868 | $ 840 | $ 491,082 | $ 489,946 | $ 1,850 | $ 1,684 | $ 123 | $ 122 | $ 122 | $ 365 | $ 352 | $ 16 | $ 16 | $ 16 | $ 16 |