Supplemental Cash Flow Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Apr. 28, 2012
Apr. 30, 2011
Cash Flow Supplemental Disclosures [Line Items]    
Non-cash investing activities- unpaid purchases of property, plant and equipment $ (1,168) $ 2,157
Cash paid for income taxes $ 9,552 $ 453