XML 74 R51.htm IDEA: XBRL DOCUMENT v2.4.0.6
Share-Based Compensation (Schedule Of Share-Based Compensation Expense Included In The Consolidated Statement Of Income) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Jan. 31, 2012
Jan. 31, 2011
Jan. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ 3,068 $ 10,725 $ 4,766
Reversal of share-based compensation expense 8,800    
Stock Options [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense 2,886 4,331 2,975
Stock Appreciation Rights [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense 1,111 463  
Performance Share Units [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense (959) [1] 5,929 [1] 1,349 [1]
Shares, granted 2,198,450    
Restricted Shares [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ 30 $ 2 $ 442
Former Executive Officer [Member] | Performance Share Units [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares, granted 1,054,466    
[1] Includes the reversal of $8,800 of previously recognized compensation expense in fiscal 2012, related to 1,054,466 PSU's, granted to a former executive officer of the Company, that will not vest due to the service requirement not being met.