XML 20 R55.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Schedule of Share-Based Compensation Expense (Income) Included in Selling, General and Administrative Expenses in Condensed Consolidated Statements of Income (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jan. 31, 2015 | Jan. 31, 2014 | Jan. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based compensation expense | $ 16,736 us-gaap_ShareBasedCompensation |  | $ 15,742 us-gaap_ShareBasedCompensation |  | $ 10,892 us-gaap_ShareBasedCompensation |
Stock Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based compensation expense | 1,377 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  | 2,621 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  | 2,214 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Stock Appreciation Rights (SARs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based compensation expense | 2,244 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember |  | 2,918 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember |  | 2,578 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember |
Performance Stock Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based compensation expense | 12,991 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember | [1],[2] | 9,956 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember | [1],[2] | 6,124 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember | [1],[2]
Restricted Stock Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based compensation expense | $ 124 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  | $ 247 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  | $ (24)us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
[1] | Includes the reversal of $1,396 of previously recognized compensation expense in fiscal 2015, related to 163,336 PSU's that will not vest as the achievement of the related performance target is not probable.
[2] | Includes the reversal of $3,418 of previously recognized compensation expense in fiscal 2013, related to 320,200 PSU's that will not vest as the achievement of the related performance target is not probable.

X
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_StockAppreciationRightsSARSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |