XML 69 R66.htm IDEA: XBRL DOCUMENT v2.4.0.6
Information Concerning Supplemental Disclosures of Cash Flow Activities (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Cash paid, net for:    
Interest $ 11,376 $ 14,196
Income taxes $ 8,651 $ 5,863