XML 39 R16.htm IDEA: XBRL DOCUMENT v2.4.1.9

Cash and Investments in Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Cash and Investments in Marketable Securities, Including Cash Equivalents and Restricted Cash

Cash and investments in marketable securities, including cash equivalents and restricted cash, are as follows (in thousands).  

		Estimated Fair Value at
		March 31, 2015				December 31, 2014
Cash and cash equivalents		$	129,452			$	12,365
Short-term investments			171,353				225,459
Restricted cash			25,000				25,000
Total cash and investments in marketable securities		$	325,805			$	262,824

Portfolio of Cash and Investments in Marketable Securities

Our portfolio of cash and investments in marketable securities includes (in thousands):

				Estimated Fair Value at
		Fair Value Hierarchy Level		March 31, 2015				December 31, 2014
Corporate notes and bonds		2		$	135,400			$	182,544
Corporate commercial paper		2			35,953				42,915
Available-for-sale investments					171,353				225,459
Money market funds		1			123,558				11,229
Cash, including restricted cash		N/A			30,894				26,136
Total cash and investments in marketable securities				$	325,805			$	262,824

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 1

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258



Reference 2: 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

+ Details

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

X

- Details

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

X

- Definition

Tabular disclosure of the components of cash, cash equivalents, and investments.

+ References

No definition available.

+ Details

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