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Goodwill and Other Intangible Assets, Net (Tables)
6 Months Ended
Jun. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Carrying Amount of Goodwill
The change in the carrying amount of goodwill for the period is as follows:
(in millions)
Goodwill at December 31, 2021$39.8 
Acquisition (Note 7)12.0 
Goodwill at June 30, 2022$51.8 
Schedule of Components of Other Intangible Assets
The gross carrying amount, accumulated amortization and net book value of intangible assets at the end of each period were as follows:
June 30, 2022December 31, 2021
(in millions)
Gross
Carrying Amount
Accumulated AmortizationNet
Book Value
Gross
Carrying Amount
Accumulated AmortizationNet
Book Value
Customer relationships$43.3 $(25.5)$17.8 $43.4 $(23.4)$20.0 
Internal-use software32.3 (11.1)21.2 25.5 (10.2)15.3 
Developed technology15.4 (0.5)14.9 — — — 
Intellectual property1.5 (0.3)1.2 1.6 (0.3)1.3 
Total intangible assets$92.5 $(37.4)$55.1 $70.5 $(33.9)$36.6