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Fair Value Measurements - Fair Value of Debt (Details) - Convertible Notes - USD ($) $ in Millions	Dec. 31, 2022	Jul. 02, 2022	May 29, 2018	Mar. 03, 2017
Debt details
Long-term Debt	$ 630.7	$ 661.6
3.75% Senior Convertible Notes
Debt details
Stated interest rate	3.75%
Long-term Debt	$ 336.0	337.5
1.00% Senior Convertible Notes
Debt details
Stated interest rate	1.00%			1.00%
Long-term Debt	$ 227.1	250.7
1.75% Senior Convertible Notes
Debt details
Stated interest rate	1.75%		1.75%
Long-term Debt	$ 67.6	73.4
Level 1
Debt details
Long-term Debt	0.0	0.0
Level 1 | 3.75% Senior Convertible Notes
Debt details
Long-term Debt	0.0	0.0
Level 1 | 1.00% Senior Convertible Notes
Debt details
Long-term Debt	0.0	0.0
Level 1 | 1.75% Senior Convertible Notes
Debt details
Long-term Debt	0.0	0.0
Level 2
Debt details
Long-term Debt	630.7	661.6
Level 2 | 3.75% Senior Convertible Notes
Debt details
Long-term Debt	336.0	337.5
Level 2 | 1.00% Senior Convertible Notes
Debt details
Long-term Debt	227.1	250.7
Level 2 | 1.75% Senior Convertible Notes
Debt details
Long-term Debt	67.6	73.4
Level 3
Debt details
Long-term Debt	0.0	0.0
Level 3 | 3.75% Senior Convertible Notes
Debt details
Long-term Debt	0.0	0.0
Level 3 | 1.00% Senior Convertible Notes
Debt details
Long-term Debt	0.0	0.0
Level 3 | 1.75% Senior Convertible Notes
Debt details
Long-term Debt	$ 0.0	$ 0.0

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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+ References

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