Business Combinations - Contingent Consideration Rollforward (Details) $ in Millions	3 Months Ended
Mar. 31, 2023 USD ($)
Contingent Consideration
Balance at December 31, 2022	$ 17.4
Decrease in fair value of contingent consideration liabilities	(7.4)
Balance at March 31, 2023	10.0
SES
Contingent Consideration
Balance at December 31, 2022	16.3
Decrease in fair value of contingent consideration liabilities	(7.4)
Balance at March 31, 2023	8.9
BIG
Contingent Consideration
Balance at December 31, 2022	1.1
Decrease in fair value of contingent consideration liabilities	0.0
Balance at March 31, 2023	$ 1.1

Amount of liability recognized arising from contingent consideration in a business combination.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126966325&loc=d3e6819-128478

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

Name:	us-gaap_BusinessCombinationContingentConsiderationLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant