Debt (Narrative) (Details)								12 Months Ended
	Jun. 30, 2025	Jan. 18, 2024 USD ($)	Jul. 05, 2023 tradingDay	Apr. 19, 2023 USD ($)	Oct. 01, 2020 tradingDay businessDay	Jun. 18, 2020 USD ($) $ / shares	Dec. 01, 2017 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2015	Apr. 30, 2014
Line of Credit Facility [Line Items]
Debt								$ 320,195,000	$ 312,045,000
Loss on extinguishment of debt								3,669,000	0	$ 0
Debt issuance costs, net								5,848,000	5,063,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Unamortized debt issuance costs								1,700,000
Debt								30,000,000	0
Debt instrument, original issue discount								7,500,000
Credit Facilities
Line of Credit Facility [Line Items]
Debt issuance costs, net								$ 2,700,000
For Period from Second Quarter To Fourth Quarter of Fiscal Year 2024 | Old Term Loan Facility
Line of Credit Facility [Line Items]
Net leverage ratio		6.25
From First Quarter of Fiscal Year 2025 and Thereafter | Old Term Loan Facility
Line of Credit Facility [Line Items]
Net leverage ratio		5.75
Convertible Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount						$ 100,000,000.0
Interest rate on amounts borrowed						4.25%		4.25%
Effective interest rate								5.05%
Proceeds from convertible debt						$ 96,500,000
Conversion ratio						0.0426203
Conversion price (in dollars per share) | $ / shares						$ 23.46
Debt fair value								$ 128,800,000
Interest expense								5,000,000.0	5,000,000.0	4,900,000
Unamortized debt issuance costs								400,000	1,100,000
Debt								100,000,000	100,000,000
Convertible Senior Notes | Circumstance I
Line of Credit Facility [Line Items]
Conversion trading day threshold | tradingDay					20
Conversion consecutive trading day threshold | tradingDay					30
Conversion percentage of stock price threshold					130.00%
Convertible Senior Notes | Circumstance II
Line of Credit Facility [Line Items]
Conversion trading day threshold | businessDay					5
Conversion consecutive trading day threshold | tradingDay					5
Conversion percentage of stock price threshold					98.00%
Convertible Senior Notes | Circumstance After July 5, 2023
Line of Credit Facility [Line Items]
Conversion trading day threshold | tradingDay			20
Conversion consecutive trading day threshold | tradingDay			30
Conversion percentage of stock price threshold			130.00%
Conversion percentage of principal amount			100.00%
Convertible Senior Notes | Prior To Maturity
Line of Credit Facility [Line Items]
Periodic payment, principal								0
Old Term Loan Facility
Line of Credit Facility [Line Items]
Debt								0	211,500,000
Old Term Loan Facility | Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, extension period							2 years 6 months
Old Term Loan Facility | Old Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt							$ 30,000,000.0
Credit Facilities, Convertible Senior Notes and Old Credit Facilities
Line of Credit Facility [Line Items]
Non-cash amortization of debt issuance costs								$ 3,900,000
Convertible Senior Notes and Old Credit Facilities
Line of Credit Facility [Line Items]
Non-cash amortization of debt issuance costs									1,900,000	$ 1,800,000
2.45% Sparkasse Zollernalb (KFW Loan 1)
Line of Credit Facility [Line Items]
Interest rate on amounts borrowed								2.45%				2.45%
Debt								$ 0	61,000
1.40% Sparkasse Zollernalb (KFW Loan 2)
Line of Credit Facility [Line Items]
Interest rate on amounts borrowed								1.40%			1.40%
Debt								$ 195,000	484,000
Credit and Guaranty Agreement | Old Term Loan Facility
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 350,000,000
Initial Term Loan Facility | Old Term Loan Facility
Line of Credit Facility [Line Items]
Debt instrument, face amount		190,000,000
Debt		190,000,000
Delayed Draw Term Loan Facility | Old Term Loan Facility
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 100,000,000
Commitment fee percentage		1.00%
Amortization of the debt issuance costs								$ 1,700,000
Revolving Credit Facility | Old Term Loan Facility | Base Rate
Line of Credit Facility [Line Items]
Interest rate on amounts borrowed		3.00%
Revolving Credit Facility | Old Term Loan Facility | SOFR
Line of Credit Facility [Line Items]
Interest rate on amounts borrowed		4.00%
Revolving Credit Facility | Old Term Loan Facility
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 60,000,000
Undrawn availability		$ 30,000,000
Interest rate on amounts borrowed								8.59%
Commitment fee percentage		0.50%
Debt		$ 30,000,000
Revolving Credit Facility | Old Term Loan Facility | If Prepayment Occurs Prior To January 18, 2025
Line of Credit Facility [Line Items]
Debt instrument, prepayment premium		5.00%
Revolving Credit Facility | Old Term Loan Facility | If Prepayment Occurs After January 18, 2025 And Prior To January 18, 2026
Line of Credit Facility [Line Items]
Debt instrument, prepayment premium		1.00%
Old Credit Facilities | Revolving Credit Facility And Term Loan
Line of Credit Facility [Line Items]
Debt							255,000,000.0
Old Term Loan Facility
Line of Credit Facility [Line Items]
Debt							$ 225,000,000.0
Term Loan Facilities | Old Term Loan Facility | Base Rate
Line of Credit Facility [Line Items]
Credit facility margin		5.50%
Term Loan Facilities | Old Term Loan Facility | SOFR
Line of Credit Facility [Line Items]
Credit facility margin		6.50%
Term Loan Facilities | Old Term Loan Facility
Line of Credit Facility [Line Items]
Interest rate on amounts borrowed								11.09%
Effective interest rate								11.86%
Loss on extinguishment of debt								$ 3,700,000
Term Loan Facilities | Old Term Loan Facility | Forecast
Line of Credit Facility [Line Items]
Net leverage ratio	3.75
Term Loan Facilities | Old Term Loan Facility | If Certain Conditions are Met After Q2, 2025 | Forecast
Line of Credit Facility [Line Items]
Decrease in basis spread on variable rate	25
Term Loan Facilities | Old Term Loan Facility | If Certain Conditions are Met After Q2, 2025 | Base Rate | Forecast
Line of Credit Facility [Line Items]
Credit facility margin	5.25%
Term Loan Facilities | Old Term Loan Facility | If Certain Conditions are Met After Q2, 2025 | SOFR | Forecast
Line of Credit Facility [Line Items]
Credit facility margin	6.25%
Notes Payable Issued For Prepayment Of Insurance Premiums | IPFS Corporation
Line of Credit Facility [Line Items]
Debt instrument, face amount				$ 3,600,000
Interest rate on amounts borrowed				6.65%
Loan term				1 year
Notes payable, current									$ 1,000,000