Debt - Additional Information (Details)			1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended
	Jul. 01, 2021 USD ($)	May 06, 2021 USD ($)	May 31, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2022 USD ($) $ / shares	Mar. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)	May 14, 2021 USD ($)	Aug. 31, 2017 USD ($)	Apr. 30, 2014	Feb. 28, 2013
Debt Instrument [Line Items]
Increase to accumulated deficit				$ (488,024,000)	$ (489,070,000)		$ (488,024,000)
Decrease to additional paid in capital				554,680,000	539,383,000		554,680,000
Debt discount costs				25,556,000			25,556,000
Principal prepayment of term loan					0	$ 10,500,000
Principal amount of the Notes				202,865,000	184,865,000		202,865,000
Unamortized debt costs				3,512,000	3,618,000		3,512,000
Revolving Credit Facility
Debt Instrument [Line Items]
Initial borrowings								$ 25,000,000
Principal amount of the Notes				20,000,000	5,000,000		20,000,000
Unamortized debt costs				1,300,000	1,100,000		1,300,000
Term Loan
Debt Instrument [Line Items]
Principal amount of the Notes				80,000,000	$ 77,000,000.0		80,000,000
3.75% Convertible Notes Due 2022
Debt Instrument [Line Items]
Aggregate principal amount of debt issued				$ 82,100,000			$ 82,100,000		$ 85,000,000.0
Interest rate (as a percent)			3.75%	3.75%	3.75%	3.75%	3.75%		3.75%
Conversion rate, number of shares to be issued per $1000 of principal amount (in shares)					174.8252
Principal amount used for debt instrument conversion ratio					$ 1,000
Conversion price (in dollars per share) | $ / shares					$ 5.72
Repurchase price, as a percentage of the principal amount, in the event of a fundamental change, as defined in Indenture					100.00%
Convertible notes exchanged			$ 82,100,000
Convertible notes, aggregate principal amount outstanding				$ 2,900,000	$ 2,900,000		$ 2,900,000
Loss on extinguishment of debt							4,300,000
Extinguishment of equity component							14,500,000
Settlement consideration paid							96,000,000.0
Debt instrument, fair value of liability component				81,500,000			81,500,000
Debt discount costs				119,000			119,000
Principal amount of the Notes				2,865,000	2,865,000		2,865,000
Unamortized debt costs				$ 34,000	$ 7,000		$ 34,000
3.50% Convertible Notes Due 2018
Debt Instrument [Line Items]
Interest rate (as a percent)											3.50%
3.50% Series A Convertible Senior Notes Due 2018
Debt Instrument [Line Items]
Interest rate (as a percent)										3.50%
3.75% Convertible Notes Due 2026
Debt Instrument [Line Items]
Aggregate principal amount of debt issued			$ 100,000,000.0
Interest rate (as a percent)	3.75%		3.75%	3.75%	3.75%		3.75%
Conversion rate, number of shares to be issued per $1000 of principal amount (in shares)					170.5611
Principal amount used for debt instrument conversion ratio					$ 1,000
Conversion price (in dollars per share) | $ / shares					$ 5.86
Repurchase price, as a percentage of the principal amount, in the event of a fundamental change, as defined in Indenture					100.00%
Convertible notes exchanged			$ 97,100,000
Convertible notes, aggregate principal amount outstanding				$ 100,000,000.0	$ 100,000,000.0		$ 100,000,000.0
Convertible notes, aggregate principal amount issued for cash			$ 2,900,000
Debt discount costs				25,437,000			25,437,000
Principal amount of the Notes				100,000,000	100,000,000		100,000,000
Unamortized debt costs				$ 2,175,000	$ 2,519,000		$ 2,175,000
3.75% Convertible Notes Due 2026 | New Qualified Investors
Debt Instrument [Line Items]
Interest rate (as a percent)	3.75%				3.75%
Extinguishment of equity component					$ 25,900,000
Debt instrument, fair value of liability component					74,100,000
Convertible notes, aggregate principal amount issued for cash					2,900,000
Reduction in debt issuance cost allocated to additional paid in capital					$ 700,000
Increase to accumulated deficit	$ 800,000
Decrease to additional paid in capital	25,600,000
Increase to convertible debt, current	$ 24,800,000
Accounting Standards Update [Extensible Enumeration]	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate202006Member
3.75% Convertible Notes due 2022 and 3.75% Convertible Notes due 2026
Debt Instrument [Line Items]
Interest rate (as a percent)					3.75%
Discounts, issuance costs and third party costs					$ 25,600,000
Issuance costs attributable to liability component amortized					$ 800,000
Exchange | 3.75% Convertible Notes Due 2022
Debt Instrument [Line Items]
Aggregate principal amount of debt issued									$ 53,000,000.0
Exchange | 3.50% Convertible Notes due 2018 and 3.5% Series A Senior Notes due 2018
Debt Instrument [Line Items]
Aggregate principal amount of debt issued									47,000,000.0
Repurchase
Debt Instrument [Line Items]
Repurchase/Retirement of existing notes									28,000,000.0
Repurchase | 3.75% Convertible Notes Due 2022
Debt Instrument [Line Items]
Aggregate principal amount of debt issued									$ 32,000,000.0
Senior Secured Credit Agreement | Consolidated Senior Net Leverage Ratio is Greater Than or Equal to 3.00:1.00
Debt Instrument [Line Items]
Variable rate (as a percent)		3.25%
Senior Secured Credit Agreement | Consolidated Senior Net Leverage Ratio is Greater Than or Equal to 2.00:1.00 But Less Than 3.00:1.00
Debt Instrument [Line Items]
Variable rate (as a percent)		3.00%
Senior Secured Credit Agreement | Consolidated Senior Net Leverage Ratio is Greater Than or Equal to 1.00:1.00 But Less Than 2.00:1.00
Debt Instrument [Line Items]
Variable rate (as a percent)		2.75%
Senior Secured Credit Agreement | Consolidated Senior Net Leverage Ratio is Less Than 1.00:1.00
Debt Instrument [Line Items]
Variable rate (as a percent)		2.50%
Senior Secured Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility borrowing capacity		$ 40,000,000
Senior Secured Credit Agreement | Term Loan
Debt Instrument [Line Items]
Term of loan		5 years
Credit facility borrowing capacity		$ 80,000,000
Senior Secured Credit Agreement | Credit Agreement
Debt Instrument [Line Items]
Unused commitment fee percentage per annum of average unused portion of the New Revolving Credit Facility				0.35%
Senior Secured Credit Agreement | Credit Agreement | Consolidated Senior Net Leverage Ratio is Greater Than or Equal to 3.00:1.00
Debt Instrument [Line Items]
Unused commitment fee percentage per annum of average unused portion of the New Revolving Credit Facility		0.40%
Senior Secured Credit Agreement | Credit Agreement | Consolidated Senior Net Leverage Ratio is Greater Than or Equal to 2.00:1.00 But Less Than 3.00:1.00
Debt Instrument [Line Items]
Unused commitment fee percentage per annum of average unused portion of the New Revolving Credit Facility		0.35%
Senior Secured Credit Agreement | Credit Agreement | Consolidated Senior Net Leverage Ratio is Greater Than or Equal to 1.00:1.00 But Less Than 2.00:1.00
Debt Instrument [Line Items]
Unused commitment fee percentage per annum of average unused portion of the New Revolving Credit Facility		0.30%
Senior Secured Credit Agreement | Credit Agreement | Consolidated Senior Net Leverage Ratio is Less Than 1.00:1.00
Debt Instrument [Line Items]
Unused commitment fee percentage per annum of average unused portion of the New Revolving Credit Facility		0.25%
Senior Secured Credit Agreement | Credit Agreement | If all or Portion of Loans Under New Term Loan Facility are Prepaid
Debt Instrument [Line Items]
Unused commitment fee percentage per annum of average unused portion of the New Revolving Credit Facility		1.00%
Senior Secured Credit Agreement | 90-day LIBOR
Debt Instrument [Line Items]
Interest rate determination basis					90-day LIBOR
Variable rate (as a percent)				3.00%
Senior Secured Credit Agreement | 90-day LIBOR | Floor Rate
Debt Instrument [Line Items]
Variable rate (as a percent)		0.50%