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Cash Dividends (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Stockholders Equity Note [Line Items]      
Cash dividends paid, per share $ 0.20 $ 0.20 $ 0.20
Cash dividends paid $ 29,112 $ 30,302 $ 31,045
Period 1
      
Stockholders Equity Note [Line Items]      
Cash dividends paid, date Mar. 29, 2013 Mar. 30, 2012 Mar. 30, 2011
Cash dividends paid, per share $ 0.05 $ 0.05 $ 0.05
Cash dividends paid 7,312 7,788 7,708
Period 2
      
Stockholders Equity Note [Line Items]      
Cash dividends paid, date Jun. 28, 2013 Jun. 29, 2012 Jun. 30, 2011
Cash dividends paid, per share $ 0.05 $ 0.05 $ 0.05
Cash dividends paid 7,361 7,650 7,772
Period 3
      
Stockholders Equity Note [Line Items]      
Cash dividends paid, date Sep. 30, 2013 Sep. 28, 2012 Sep. 30, 2011
Cash dividends paid, per share $ 0.05 $ 0.05 $ 0.05
Cash dividends paid 7,231 7,518 7,777
Period 4
      
Stockholders Equity Note [Line Items]      
Cash dividends paid, date Dec. 31, 2013 Dec. 28, 2012 Dec. 30, 2011
Cash dividends paid, per share $ 0.05 $ 0.05 $ 0.05
Cash dividends paid $ 7,208 $ 7,346 $ 7,788