Financial Instruments (Tables)

12 Months Ended

Jun. 30, 2013

Schedule of fair value of financial instruments measured on a recurring basis

The following tables summarize the fair value of financial instruments measured on a recurring basis as of June 30, 2013 and June 30, 2012 (in thousands):

	Fair value measurement using

Type of instrument and line item in consolidated balance sheets	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Fair Value
Assets at June 30, 2013
Certificates of deposit—included in cash and cash equivalents and investments(1)	$	15,365	$	—	$	—	$	15,365
Money market funds—included in cash and cash equivalents		473		—		—		473
Commercial paper—included in investments		—		3,992		—		3,992
Corporate notes—included in investments		—		94,485		—		94,485

Total assets measured and recorded at fair value	$	15,838	$	98,477	$	—	$	114,315

Assets at June 30, 2012
Money market funds—included in cash and cash equivalents	$	40,068	$	—	$	—	$	40,068
Certificates of deposit—included in cash and cash equivalents		6,742		—		—		6,742

Total assets measured and recorded at fair value	$	46,810	$	—	$	—	$	46,810

(1): Includes $2.6 million of certificates of deposit, which were included in investments in the consolidated balance sheet at June 30, 2013.

Schedule of fair value of financial instruments that are not measured on a recurring basis

The following tables summarize the fair value of financial instruments that are not measured on a recurring basis as of June 30, 2013 and June 30, 2012 (in thousands):

	Fair value measurement using

Type of instrument and line item in consolidated balance sheets	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Fair Value
At June 30, 2013
3.75% Convertible Notes—included in long term debt	$	—	$	96,560	$	—	$	96,560
3.50% Convertible Notes—included in long term debt		—		144,302		—		144,302

Total liabilities measured on a non-recurring basis	$	—	$	240,862	$	—	$	240,862

At June 30, 2012
3.75% Convertible Notes—included in long term debt	$	—	$	101,400	$	—	$	101,400

Total liabilities measured on a non-recurring basis	$	—	$	101,400	$	—	$	101,400

- Definition

Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3).

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- 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).

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