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Income Taxes - Reconciliation of Income Tax Expense at Statutory Federal Rate to Actual Income Tax Expense (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Jan. 01, 2012
Income Tax Disclosure [Abstract]      
Statutory expense $ 15,485 $ 18,672 $ 18,163
State income taxes, net of federal benefit 1,811 2,191 2,260
Noncontrolling interest - Piedmont (1,674) (1,694) (1,479)
Adjustment for uncertain tax positions (167) 761 (221)
Adjustment for state tax legislation (2,261) 0 0
Valuation allowance change 321 1,767 445
Manufacturing deduction benefit (1,995) (1,330) (1,190)
Meals and entertainment 1,127 1,184 1,113
Other, net (505) 338 437
Income tax expense $ 12,142 $ 21,889 $ 19,528