XML 1171 R117.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Schedule of Deferred Stock Unit Compensation Expense (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation expense (benefit) | $ 21,374 us-gaap_ShareBasedCompensation | $ 19,642 us-gaap_ShareBasedCompensation | $ 19,416 us-gaap_ShareBasedCompensation
Deferred Stock Unit |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation expense (benefit) | $ (2,477)us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_DeferredCompensationShareBasedPaymentsMember | $ 1,737 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_DeferredCompensationShareBasedPaymentsMember | $ 1,085 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_DeferredCompensationShareBasedPaymentsMember

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_DeferredCompensationShareBasedPaymentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |