XML 60 R47.htm IDEA: XBRL DOCUMENT v3.5.0.1

Fair Value Measurements (Tables)

12 Months Ended

Apr. 30, 2016

Fair Value Measurements

Fair value hierarchy for assets measured at fair value on a recurring basis

Fiscal 2016

		Fair Value Measurements
(Amounts in thousands)		Level 1(a)			Level 2(a)			Level 3
Assets
Available-for-sale investments		$	1,452		$	43,698		$	—
Held-to-maturity investments			1,826			—			—
​	​	​	​	​	​	​	​	​	​	​
Total		$	3,278		$	43,698		$	—
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​
(a)		There were no transfers between Level 1 and Level 2 during fiscal 2016.

Fiscal 2015

		Fair Value Measurements
(Amounts in thousands)		Level 1(b)			Level 2(b)			Level 3
Assets
Available-for-sale investments		$	1,552		$	58,516		$	—
Trading securities			—			1,127			—
​	​	​	​	​	​	​	​	​	​	​
Total		$	1,552		$	59,643		$	—
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​
(b)	There were no transfers between Level 1 and Level 2 during fiscal 2015.

X

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258

+ Details

Name:	us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration