XML 20 R37.htm IDEA: XBRL DOCUMENT v2.4.0.6
Cash Dividends - Additional Information (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Oct. 27, 2012
Oct. 29, 2011
Oct. 27, 2012
Oct. 29, 2011
Dividends [Line Items]        
Dividend paid, per share $ 0.08 $ 0.07 $ 0.24 $ 0.21
Dividend declared, per share $ 0.08      
Dividend paid, record date Oct. 15, 2012      
Payment of cash dividends     $ 10,148 $ 9,253