Acquisitions - Narrative (Details) - USD ($) $ in Millions				3 Months Ended		6 Months Ended		12 Months Ended
	Nov. 10, 2022	Oct. 11, 2022	Apr. 18, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Business Acquisition [Line Items]
Services revenue				$ 442.2	$ 381.0	$ 867.5	$ 730.8
Other Intangible Assets
Business Acquisition [Line Items]
Acquired intangible assets at purchasing price			$ 1.8
KMP Associates Limited (KMP)
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition		Oct. 11, 2022
Business Combination, Consideration Transferred, Total		$ 13.8
Business Combination, Cash Aquired		0.9
Business Combination, Assumption Debt		$ 0.3
Divrt, Inc. (Divrt)
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Nov. 10, 2022
Business Combination, Consideration Transferred, Total	$ 17.6
Maximum Amount Of Contingent Consideration To Former Owner	7.0
Accrued In Projected Contingent Consideration	$ 4.0
Estimated Potential Payout				4.3		4.3		$ 4.1
Operating expense				0.1		0.2
Kmp Associates Limited and Divrt Inc [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents				0.9		0.9
Business Acquisition, Goodwill, Expected Tax Deductible Amount				10.1		10.1
Acquired intangible assets at purchasing price						23.5		$ 23.5
Kmp Associates Limited and Divrt Inc [Member] | Other Intangible Assets
Business Acquisition [Line Items]
Services revenue				1.6		3.2
Loss before income taxes				$ 0.8		$ 1.7