Long-term Debt and Credit Arrangements (Details)		1 Months Ended			3 Months Ended		9 Months Ended
	May 11, 2023 USD ($) $ / shares shares	Jun. 30, 2023 USD ($)	May 31, 2023 $ / shares	Nov. 30, 2019 USD ($) $ / shares	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	May 08, 2023 $ / shares	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Capped call transactions							$ 53,035,000	$ 0
Redemption of warrants							13,201,000	0
Long-Term Debt					$ 405,260,000		405,260,000			$ 288,381,000
Amount drawn under revolver							55,000,000	50,000,000
Debt issuance costs							$ 10,024,000	0
Common Stock
Debt Instrument [Line Items]
Loss on debt extinguishment (in shares) | shares							1,390,500
Exercise of bond hedge (in shares) | shares							1,390,516
Common Stock
Debt Instrument [Line Items]
Price per share (in dollars per share) | $ / shares									$ 35.48
Capped Call Transaction, Price Per Share
Debt Instrument [Line Items]
Debt instrument, convertible, threshold percentage of stock price trigger			125.00%
Price per share (in dollars per share) | $ / shares			$ 79.83
The 3.75% Convertible Notes | Convertible Debt
Debt Instrument [Line Items]
Interest rate			3.75%		3.75%		3.75%
Principal amount	$ 373,800,000
Conversion ratio	0.0216807
Conversion price (USD per share) | $ / shares	$ 46.12
Debt instrument, redemption price, percentage	100.00%
Debt instrument, convertible, threshold percentage of stock price trigger	130.00%
Debt proceeds	$ 364,400,000
Debt issuance costs							$ 10,000,000
2.75% Convertible Notes
Debt Instrument [Line Items]
Interest rate					2.75%		2.75%
Principal amount				$ 230,000,000
Conversion ratio				0.0317776
Conversion price (USD per share) | $ / shares				$ 31.47
Debt instrument, redemption price, percentage				100.00%
Debt instrument, convertible, threshold percentage of stock price trigger				130.00%
Amortization of debt issuance costs					$ 600,000	$ 300,000	$ 3,000,000	$ 1,000,000
Accelerated amortization of debt issuance costs					$ 1,700,000		$ 1,700,000
2.75% Convertible Notes | Convertible Debt
Debt Instrument [Line Items]
Interest rate				2.75%	2.75%		2.75%
Termination fees	$ 198,800,000
Loss on debt extinguishment (in shares) | shares	1,390,500
Extinguishment of debt	$ 198,700,000
Redemption of warrants	13,200,000
Long-Term Debt					$ 31,338,000		$ 31,338,000			230,000,000
The Credit Agreement
Debt Instrument [Line Items]
Line of credit borrowing capacity		$ 200,000,000
Sublimit for letters of credit		150,000,000
Outstanding letters of credit					19,200,000		19,200,000
The Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Long-Term Debt					0		0			$ 50,000,000
Line of credit borrowing capacity		$ 350,000,000
Debt term		5 years
Percent of EBITDA		100.00%
Line of credit remaining borrowing capacity					$ 330,800,000		330,800,000
Amount drawn under revolver							$ 0
The Credit Agreement | Financial Standby Letter of Credit
Debt Instrument [Line Items]
Line of credit borrowing capacity		$ 75,000,000
The Credit Agreement | Swingline Loans
Debt Instrument [Line Items]
Sublimit for swingline loans		$ 20,000,000.0
Capped Call Transaction
Debt Instrument [Line Items]
Capped call transactions	$ 53,000,000