Note 4. Equity Incentive Plan and Stock-Based Compensation (Detail) - Stock Option Activities (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 25, 2011
Sep. 30, 2012
Number of Shares 4,295,794 6,600,840
Weighted Average Exercise Price (in Dollars per share) $ 14.97 $ 13.08
Weighted Average Remaining Contractual Life (in Years) 5 years 237 days 5 years 200 days
Aggregate Intrinsic Value (in Dollars) $ 0 $ 7,697
Total vested and exercisable as of September 30, 2012   2,494,868
Total vested and exercisable as of September 30, 2012 (in Dollars per share)   $ 14.29
Total vested and exercisable as of September 30, 2012   4 years 343 days
Total vested and exercisable as of September 30, 2012 (in Dollars)   1,926
Granted   2,664,900
Granted (in Dollars per share)   $ 10.00
Granted   0
Granted (in Dollars)   0
Canceled/Forfeited   (249,798)
Canceled/Forfeited (in Dollars per share)   $ 13.98
Canceled/Forfeited   0
Canceled/Forfeited (in Dollars)   0
Exercised   (110,056)
Exercised (in Dollars per share)   $ 10.51
Exercised   0
Exercised (in Dollars)   $ 0